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  • 2023-06-29 Why Use Nonwoven Fabric For Waterproof Coating? What is the function of waterproof coating and nonwoven fabric? 1. The position of the connection point in the details uses the embryo body to improve the raw material. Due to its moisture resistance, air permeability and sensitivity, the non woven fabric can be closely connected with the waterproof material. The main effect of the non woven fabric roll on moisture resistance is strengthening actual effect, crack resistance, connection point position in details such as pipe roots, external angle lines, drainage ditches, etc. Water leakage caused by coating damage can be avoided when deformation and cracks occur due to subsidence of the foundation and asynchronous structural temperature deformation. 2. Large - scale overlaying of nonwoven fabrics can not only increase the compressive strength of the waterproof coating, but also improve the balance of the thickness of the moisture - proof coating. When the ground is waterproofed in large - scale engineering construction, the waterproof materials used cannot be painted at one time. When the thickness is required to be painted at one time, it is very easy to form gaps after the coating shrinks and the water evaporates. Appropriate waterproofing construction should be sprayed in layers. After the coating layer that has been wiped first is dry and the coating film is dry, the coating can be applied again after sizing. The waterproof material must be as thin as required, otherwise it will cause the problem that the embryo body is pre - soaked and opaque.
  • 2023-06-29 The Difference Between Needle Punched Non Woven And Hot Air Cotton Needle punched non woven and hot air cotton are widely used in the field of mouth, so the difference between them is in process technology and characteristics. Among them, the difference between needle punched non woven and hot air cotton is the process technology. 1. Technology Needle punched nonwoven is made by needle - punching technology, and compared with hot air cotton fabric, the workmanship will be finer. Hot air cotton is made by hot air technology, although the filter fabric will be harder, it will last longer. 2. Features Needle punched non woven Fabric has the characteristics of high filtration efficiency, anti - virus, deodorization, breathable and comfortable, hygienic, convenient, secure, beautiful, etc. Needle punched non woven fabric has the advantages of stable quality, large dust holding capacity, strong moisture resistance, long service life, economical, durable, and reusable. Generally speaking, acupuncture cotton is used for cup - shaped mouthpieces, especially N95 cup - shaped mouthpieces, because needle punched non woven is relatively soft, and cup - shaped mouthpieces can fit the face. Because the hot air cotton is relatively hard, it
  • 2023-06-26 How To Make Nonwoven Fabrics brighter? The wide use of non woven fabrics can be seen everywhere in life, which shows that this material does have advantages. When people buy, generally its appearance can determine whether people want to buy this material. To achieve a bright appearance, the measures described below are done well: 1. Sufficient pressure Pressure should be adjusted according to thickness. Prevent the phenomenon of being weak, not bright, and easy to wrinkle. Because the thickness of nonwoven fabrics is different. 2. Control temperature There should not be a large amount of water droplets or steam, and the film temperature can be increased appropriately. The temperature of the electric heating steel drum must be adjusted according to the covered product such as non woven fabric roll. 3. Clean the rollers The roller is in direct contact with the surface of the filter fabric non woven, coupled with the separation of the spacing, a lot of glue is directly pressed onto the roller, resulting in accumulation. Some manufacturers pay too much attention to the quality when producing non woven fabrics, while ignoring its surface. In fact, when many users see the material, its appearance is often very important, so in order to be able to produce bright materials, the above several point method for reference.
  • 2023-06-20 Briefly Describe The Characteristics Of Non Woven Fabrics Non woven fabrics are made by needle punching process, and can be made in different thicknesses, hardness, etc. 1. Durability, disposable. Nonwoven fabrics are insulating, non - conductive, soft, and rigid. It also has fineness, expansion and isotropy. 2. Softness: It is composed of thin fibers ( 2 - 3D ) and formed by hot - melt bonding in light spots. The finished product is moderately soft and comfortable. 3. Water - repellent and air - permeable: poly slices do not absorb water, have zero moisture content, and the finished product has good water - repellent properties. It is composed of 100 % fibers with porosity and good air permeability. It is easy to keep the cloth surface dry and easy to wash. 4. Non - toxic and non - irritating: The filter fabric roll is produced with FDA food - grade raw materials and does not contain other chemical components. It has stable performance and has no peculiar smell. It does not irritate the skin.
  • 2023-06-14 The Use Of Filter Cotton For Spray Room The use of filter cotton for spray room: 1. It is suitable for coarse dust filtration, pre - filtration of air filtration system, and filtration of return air outlet of air conditioning system; 2. Applicable to various industrial purposes, such as pollution prevention, air conditioning industry, industrial waste gas, processing pollution fog, etc.; 3. It is especially suitable for pre - filtration in painting systems and painting workshops; 4. Especially for the fine filtration at the end of the painting system and painting workshop, which is the prerequisite for high - value baking process and high - quality baking paint; 5. Installed in automobile assembly vehicles, or automobile painting and baking workshops, as ceiling filter cotton. This filter cloth material is installed on the ceiling of the paint spraying and baking room in the automotive refinishing department, and is used as the final air supply filter cotton of the ventilation equipment. The filter fabric roll can be installed as the final air supply filter cotton in production workshops and painting booths that require high gloss and high equipment polishing treatment products.
  • 2023-06-09 HEPA Filter Cotton The HEPA air filter cotton has been fully dipped. It can prevent any fiber from falling off and leaking, and even if the system is in a state of vibration or temperature instability, this air filter material can also filter out all particles larger than 5 um. HEPA air filter cotton can also be used with the outer frame to make a plate filter. The air outlet surface of the filter cloth material is particularly dense and smooth, and a layer of nonwoven fabric filter is added to the air outlet surface. This structure keeps the filter material with high filtration efficiency and high dust holding capacity, and at the same time increases the service life of the filter cotton. The synthetic fiber filter material of the HEPA air filter cotton is made of selected high - performance, high - strength fibers. It also uses advanced progressive encryption technology to ensure its highly deepened dust holding capacity and ideal low resistance performance. Due to the relatively low resistance of the filter material itself, it can also save system operating costs. HEPA air filter cotton is specially designed for the filter at the end of the spray booth, which can filter out all the particles that can damage the quality of spray paint. It can ensure that the airflow passing through the automatic assembly workshop and the spray booth of the automatic repair finish paint factory
  • 2023-06-06 Application Fields Of Meltblown Nonwoven Fabric Medical Materials Meltblown nonwoven fabric is used instead of traditional textile products to be combined with spunbond nonwoven, which is used in the production of masks. It is characterized by high strength, good hand feeling, and effective barriers to the penetration of bacteria. It is impermeable but breathable; it can prevent cross - infection, reduce the workload of nursing staff, and facilitate storage and replacement; it is easy to wear and use, and the price is low. Insulation Materials Melt blown nonwoven fabric has very good wind resistance due to their extremely small fiber diameter, high porosity, soft hand feeling. It has good air permeability and is very light in weight, making it the best material for thermal insulation clothing. filter material The fiber diameter of the melt blown nonwoven can reach 1 ~ 2 μm, and the arrangement is randomly distributed, with a certain degree of chaos. This structure makes it have a larger specific surface area and smaller pore size, which can produce very high - quality filtration. Meltblown Nonwoven is mainly used in air filtration, water filtration, oil filtration, oil - water separation and many other fields. oil absorbing material Since the main raw material of the meltblown cloth does not absorb wate
  • 2023-06-05 Factors Affecting The Quality Of Nonwoven Fabric Nonwoven fabric is processed by chemical methods. It is a new fiber product with the advantages of breathability and softness. 1. The temperature of the spinning box should be slightly higher, the purpose of which is to increase the fluidity of the melt and ensure smooth spinning. However, if the temperature of the box is too high, a large number of broken ends and hairs will occur, which is not conducive to the smooth production of non woven fabric rolls. 2. The melt temperature is too low, because the viscosity is too high, the shear stress of the melt in the spinneret hole increases, resulting in melt rupture, poor spinnability, and parallel threads on the filter cloth surface. 3. The temperature in each area of the extruder, if the temperature is too high, it will easily cause the chips to be ringed at the feeding port and cannot be fed. If the temperature is too low, the pressure of the melting section will be increased, so that the chips cannot be completely melted, resulting in resistance to feeding. 4. The melt pressure is low, the melt distribution is uneven, and the formed melt streams have different thicknesses and irregular surfaces. If the melt pressure is too high, it is easy to cause melt fracture. 5. The spinning speed affects the spinning stability, and the spinning speed is low. The number of thin streams of melt ejected
  • 2023-06-02 How To Use Filter Cotton? Primary filter cotton: It mainly filters particles larger than 5 microns, and is almost used at the suction inlet of ventilation equipment and air control system as a pre - filter or coarse filter where it is directly in contact with outdoor air. It is also used as a filter material for air filter materials such as plate filters, folded plate filters, and bag filters. Then the medium - efficiency filter cotton generally filters some small particles, which are almost larger than 1 micron. It is used for the secondary or final filtration after coarse filtration, and it is also mostly used as the air filter media of plate filter. High - efficiency filter cotton: The air outlet surface of this filter is relatively dense, and it also adds a layer of grid - shaped net to shape it. This structure keeps the filter material with high filtration efficiency and dust holding capacity. To extend the service life of the filter material, when using 600 G and 560 G, in addition to ensuring good air quality, the resistance of the filter material itself is relatively high. It also has a special structure, which uses multi - layer encryption technology, that is, the fiber density gradually increases towards the direction of pure air, and has a higher filtration efficiency. According to the size of the dust, it can be blocked at different density levels to accommodate dust more effectively. The filter cloth material has three characteristics: surface stickiness, full stickiness and dryness.
  • 2023-05-31 The Use And Origin Of Nonwoven Fabric Non woven fabrics have a wide range of uses, ranging from masks to greenhouse fabrics, all of which are inseparable from this raw material. The products are fashionable and environmentally friendly, rich in color, bright, beautiful and generous, and the patterns and styles are very diverse. It is light in weight and recyclable, and is considered an environmentally friendly product that protects the earth's ecology. Nonwoven fabrics are made of chemical fibers and plant fibers on wet or dry paper machines under the condition of water or air as the suspension medium. Although they are cloth without weaving, they are called nonwoven fabrics. Non woven fabric rolls are a new generation of environmentally friendly materials, which have the advantages of breathable and waterproof, environmentally friendly, flexible, non - toxic and tasteless, and cheap.
  • 2023-05-30 Automotive interior Nonwoven Fabric Nonwovens for automotive interiors refer to a fibrous material that is manufactured without the use of a weaving machine. The non woven fabric has a compact structure, a tough texture, good tensile strength and abrasion resistance. In the automotive industry, non woven fabric rolls have become one of the main materials for automotive interiors. The following are the advantages of non woven fabric for automotive interiors: 1. Portability Nonwoven fabrics have the characteristics of light weight, which can reduce the weight of the whole vehicle. Therefore, the use of non woven fabrics in automobile manufacturing can reduce the weight of the car and improve the economy and environmental protection of the vehicle. At the same time, this will also reduce manufacturing costs and transportation costs. 2. Good air permeability and moisture absorption In hot summer, the temperature inside the car will rise rapidly. The use of non woven fabrics to make automotive interior parts such as seats and roofs can improve their breathability and make drivers and passengers feel more comfortable. In addition, the nonwoven fabric also has good wetness, which can absorb the humid atmosphere in the car and keep the car dry. 3. Strong wear resistance The fibers of non woven fabrics are tightly intertwined, and they are usually treated with nylon and polyester, which has strong abrasion resistance. Nonwoven seats for automotive interiors c
  • 2023-05-29 Automotive Non Woven Fabric With the advent of the automobile era, it is very important to use suitable filter cloth material for automobile parts to reduce automobile exhaust emissions and improve fuel efficiency under the premise of maintaining high performance and comfort. For more than 20 years, Huamaotek has joined hands with key domestic auto parts enterprises. With the goal of reducing vehicle weight, reducing CO2 emissions, and improving safety and comfort, we are committed to helping downstream customers continue to succeed in innovation in the automotive industry. Performance characteristics of non woven fabrics for automobiles: ●Strength: The vertical and horizontal strength configuration is reasonable, the breaking strength and elongation are high, and it is suitable for the processing of auto parts; ●Easy processing: the filter cloth surface is uniform, the texture is consistent, easy to compound processing, and the appearance effect is good; ●Stability: the material is light, resistant to sunlight and anti-aging; ●Functionality: Water - repellent, oil - repellent, flame - retardant and other functional materials can be produced according to needs.
  • 2023-05-22 Auto Nonwoven Fabric Interlining Automotive interior non woven fabrics are also widely used in automobiles. Through the cold forming production process, it specializes in the production of parts for aircraft, high - speed rail, car seat interior parts, heat insulation car covers, etc. Today we briefly introduce auto nonwoven fabric interlining. Production process: processed into non woven fabric roll--pressed into a three - dimensional shape with a hot press--trimming, cutting holes--sticking black magnetic sheets--quality inspection - packing--transported to the finished product factory for processing into foamed products--finally used in car seats The function of the automotive nonwoven fabric lining is to prevent the penetration of raw materials, and the purpose of the magnetic sheet is to locate; Huamaotek Nonwoven Co., Ltd currently has long - term cooperation with GAC Toyota and BYD.
  • 2023-05-19 How To Evaluate The Market Prospect Of Filter Cotton? Filter cotton is a material used to filter liquid or gas, and its main function is to remove tiny particles suspended in liquid or gas. The market demand for filter cotton is reflected in many fields, such as water treatment, air purification, automobile air conditioning, chemical industry, food production and other fields. Due to the process of production, transportation, handling and use, a large number of impurities and tiny particles will be suspended in the liquid or gas, which will pose a threat to the environment and affect the production and use effects. Therefore, there is a need for an efficient, economical, and easy - to - use filter material to remove these impurities and particles. Filter cloth material has a large market share in the market due to its affordable price, ease of processing and use. Manufacturers can also improve product quality and use effects through innovations in filter cloth fabric raw materials, processes, and micro - ecological bacteria. In the future, filter cotton will also have the opportunity to combine big data and intelligent technology to automate the filtration process, so as to better serve the society and promote economic development.
  • 2023-05-18 Fish Tank Filter Material Fish farming can develop patience, and the oxygen pump and filtration used in fish farming can improve indoor air quality and increase indoor humidity. At the same time, it can also improve the viewing value and effectively release your own pressure. Fish farming can also cultivate one's body and mind, and relieve one's visual fatigue. Fish farming needs a fish tank, and the fish tank needs fish tank filter media. We may think that the finer and denser the filter cotton is, the better the filtering effect can be achieved, but the actual situation may not be as everyone thinks. Although the filter cotton with too dense pores can isolate more garbage such as fish feces and bait, it will also cause a heavy burden of fish tank filter material for our fish farming. And here, we also need to understand or accept a concept. The physical filtration of our fish tanks does not really rely on filter cotton to isolate garbage. Isolating those garbage that is visible to the naked eye is only one step of the work, and the other step is decomposition. Therefore, when we choose water filter media rolls, we should not only consider its filtering ability, but also its decomposition ability, that is, its ability to cultivate bacteria.
  • 2023-05-16 Activated Carbon Fiber Felt Product Characteristics 1. Activated carbon cloth has the characteristics of small resistance, high efficiency of capturing suspended particles, and can be washed with water. It is especially suitable for air filtration occasions with large air volume and low resistance and water circulation facilities ( such as aquariums ). Activated carbon fabric is the best choice for post - stage air filtration and water filtration. 2. Activated carbon fiber felt adds high - quality coconut shell activated carbon on the base material, and the coconut shell activated carbon has undergone special " activation treatment ". The so - called " activation treatment " means that in the process of manufacturing activated carbon, the porosity of activated carbon is significantly improved, so that the specific surface area is increased and the adsorption capacity is stronger. Activated carbon non woven fabric can be widely used in the treatment of VOC gases such as toluene, xylene and other benzenes, phenols and aldehydes, and tap water for chlorine removal, filtration and impurity adsorption.
  • 2023-05-11 What Causes Static Electricity In Nonwoven Fabrics During Production? Nonwoven fabric is made of textile fibers through bonding, fusion or other chemical and mechanical methods. The production technology of non woven fabrics has been greatly improved, and techniques such as needle punching, tufting, and stitching have been adopted one after another. The output of natural fiber and chemical fiber non woven fabric roll has greatly increased, and its uses are becoming more and more extensive. 1. External factors may be because the weather is too dry and the humidity is not enough. The production technology of non woven fabric roll has been greatly improved, and techniques such as needle punching, tufting, and stitching have been adopted one after another. The output of natural fiber and chemical fiber non woven fabrics has greatly increased, and its uses are becoming more and more extensive. 2. When there is no antistatic agent on the fiber, because the moisture regain of polyester cotton is 0.3 %. As a result of the lack of antistatic agent, static electricity is easily generated during the production of non woven fabrics. 3. The oil content of the fiber is low, and the relatively low content of electrostatic agent will also generate static electricity. 4. Methods to prevent static electricity In addition to humidifying the production workshop, it is also very important to effectively eliminate oil - free cotton during the cotton feeding stage.
  • 2023-05-11 What Are The Reasons For The Uneven Hardness Of Non Woven Fabrics Under The Same Processing Conditions? Nonwoven fabrics are divided into two categories: thin and thick. The weight of the thin type is generally 20 - 100 g / m ( used as clothing lining decorative cloth, handkerchiefs, feminine hygiene products, etc. ). The thick type is used as flakes, carpets, filter materials, geotextiles ( roadbed cloth ), etc. Non woven fabrics can also be used to make special - purpose materials such as heat insulation, breathability, heat resistance, wear resistance, sound insulation, shock resistance, anti - virus, and radiation protection. 1. Due to the uneven blending of low melting point fibers and conventional fibers, the part with higher low melting point content is harder, and conversely, the part with lower content is softer. 2. In addition, the melting of low melting point fibers is not completely easy to cause the occurrence of softer non woven fabrics. 3. The high shrinkage rate of the fiber will also cause the problem of uneven softness and hardness of the non woven fabric roll.
  • 2023-05-09 Reasons For Uneven Thickness Of Nonwoven Fabrics In The Production Process Today, let's talk about the relevant knowledge of meltblown nonwoven fabric equipment. Many friends said that under the same processing conditions, what are the reasons for the uneven thickness of non woven fabrics during production? 1. Uneven blending of low-melting fiber and conventional fiber: because different fibers have different cohesion. Generally speaking, low - melting -point fibers have greater cohesion than conventional fibers. If the dispersion of low - melting - point fibers is uneven, the part with less content cannot form a sufficient network structure in time. The nonwoven fabric is thinner, and the place where there is more low - melting fiber content is thicker. 2. Incomplete melting of low melting point fibers: This is mainly due to insufficient temperature. For nonwoven fabrics with low basis weight, it is not easy to have insufficient temperature, but for products with high basis weight and high thickness, special attention should be paid up. For example, the non woven fabric roll on the side is usually thicker because it has enough heat, and the non woven fabric in the middle part forms a thinner nonwoven fabric because of insufficient heat, which is one of the reasons. 3. The shrinkage rate of the fiber is high: whether it is a conventional fiber or a low melting point fiber, if the hot air shrinkage rate of the fiber is high, uneven thickness will also appear during the production of the nonwoven fabric.
  • 2023-05-06 Needle Punched Non Woven Fabric Card clothings of various specifications and models are covered on the surface of the cylinder, flat plate and doffer in the carding machine. The specifications, process performance and manufacturing quality of needle punched non woven fabric directly affect carding, impurity removal, mixing, uniformity and transfer. Therefore, card clothing is an important carding element of a carding machine. Both theory and practice have shown that changes in tooth configuration, relative speed, relative gauge and tooth density of card clothing will have different effects on fibers of needle punched nonwoven. The interaction between the two needle surfaces can be summarized into the following three types: The conditions for the carding effect to occur between the two needle faces are as follows. (1) The needle teeth of the two needle faces are relatively parallel. (2) The two needle surfaces have relative speeds, and the relative movement direction of one needle surface to the other needs to make the needle points of the two needle surfaces face each other. (3) It has a smaller gauge and a certain needle tooth density. Due to the small distance between the two needle surfaces, the fiber bundles on any needle surface of the needle punched non woven can be grasped by the teeth of the two needle surfaces at the same time, and are mainly affected by the joint action of the two needle surfaces.
  • 2023-05-05 Processing Methods Of Nonwoven Fabrics The non woven fabric is made of polyester fiber and polyester fiber material. It is made with a special process and can be made in different thickness, feel and hardness. How is this material processed? After the production of non woven fabrics, in order to be able to form various products, various processing is required, and the processing methods of different departments are the same. First of all, we need to have a simple understanding of its manufacturing process. The manufacturing process of nonwoven fabrics usually includes several steps such as preparation, weaving, mesh reinforcement, finishing and rolling. Others are details, and different manufacturers have their own unique practices. In the process of preparing non woven fabric raw material, it is the treatment of fibers, including opening, mixing, impurity removal, oiling and antistatic agents. The quality of this step determines the quality of the non woven fabric roll later. Then through the steps of weaving and fiber mesh reinforcement, the shape of the nonwoven fabric is made and then sorted. That is, reprocessing can be printed and dyed to make the non woven fabric look more beautiful. Non woven fabrics directly bond fibers together through physical methods, which can use small holes to purify the air and keep bacteria and viruses out. At the same time, keep it clean and change it frequently to prevent moths from breeding.
  • 2023-04-28 Environmentally Friendly New Materials - Customized Non woven Fabrics Open A New Era In recent years, environmental protection has become an important trend in global development. As a new type of environmentally friendly material, nonwoven fabrics are highly respected for their excellent quality and wide application value. Nowadays, many companies choose to customize non woven fabrics as gifts for publicity and promotion, and it is gradually becoming a new industry. Compared with traditional plastic bags and paper bags, non woven fabric rolls have better environmental performance. The main raw materials of nonwoven fabrics come from polyester film and certain polymers. In the production process, non woven fabrics not only do not generate waste gas and waste water, but also do not have the problem of solid waste. The production process is clean and environmentally friendly, which is more in line with the modern society's pursuit of green and low - carbon environmental protection. At the same time, the custom - made nonwoven fabric business is becoming more and more popular. Many companies have used nonwoven fabrics as promotional gifts to enhance product brands and corporate images. Therefore, customized non woven fabrics have broad market prospects and application space.
  • 2023-04-21 How Are Nonwoven Fabrics Flame Retardant? Non woven fabric is made by needle process, it can be used in different industries, such as sound insulation, heat insulation, electric heater, mask, clothing, medical and filling materials, etc. How does nonwoven fabric achieve flame retardancy? There are two main ways to realize the flame retardant function of non woven fabrics: 1. Through polymer polymerization, blending, copolymerization, composite spinning and graft modification, etc., the flame retardant with flame retardant function is added to the fiber to prepare the fiber flame retardant. 2. Apply the flame retardant on the surface of the filter fabric or penetrate into the fabric through the post - finishing method. The flame retardant effect of non woven fabric roll is achieved by adding flame retardants. For flame retardants used on nonwovens, they must meet the following conditions: 1. Low toxicity and long - lasting, which can make the product meet the requirements of flame retardant standards; 2. Good thermal stability, less smoke, which can meet the requirements of non woven fabric; 3. Do not significantly reduce the original performance of non woven fabric; 4. The price is very cheap, which helps to reduce the cost. The use of non woven fabrics provides more choices for people ' s lives. It can use small pores to purify the air and block bacteria and viruses.
  • 2023-04-19 How To Prevent Static Electricity From Nonwoven Fabric? According to different production processes, nonwoven fabric can be divided into spunlace non woven fabric, needle punched non woven fabric, heat - bonded nonwoven fabrics, pulp air - laid nonwoven fabrics, wet - laid nonwoven fabric, spunbond nonwoven, and meltblown nonwoven. Non woven fabric roll is different from common warp - knitted fabric. Non woven fabric is composed of oriented or random fibers. Nonwoven fabric is formed by bonding fibers together by physical or chemical methods, and have the appearance and certain properties of cloth. Polypropylene pellets are mostly used as raw materials, which are produced by continuous one - step process of high - temperature melting, spinning, laying, and hot - pressing coiling. Compared with woven fabric, the moisture regain of nonwoven fabric is generally lower, and static electricity is easily generated during production and use. Spark points from static electricity can cause some flammable materials to explode. When wearing nylon and woolen clothes in dry weather, sparks and static noises will occur, which are basically harmless to the human body. But on the operating table, electric sparks will cause the explosion of anesthetics, which will harm doctors and patients. In order to solve this problem and make nonwoven fabric more widely used in the market, a certain propo

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