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What are the routine items that need to be tested for meltblown cloth?
After the new crown epidemic in the Spring Festival of 2020, everyone knows that meltblown cloth is equivalent to the heart of the mask. The quality of the mask made depends largely on the quality of the meltblown cloth. Good meltblown cloth is made of Masks are generally not too bad. Meltblown cloth is generally used for resistance test, filtration efficiency test, microbial detection and other three items as test reports. If you want to produce masks, if you buy meltblown cloth, you should send it for inspection first. These indicators are considered unqualified, so that the masks produced are all unqualified due to the unqualified meltblown cloth at that time, which will outweigh the gains. Compared with spunbond non-woven fabrics, melt-blown non-woven fabrics have a finer fiber structure, so they are better at capturing fine particles. Melt-blown non-woven fabrics use polypropylene with good processability and excellent resistance as raw materials, so they have higher porosity, more specific surface area, better filtration efficiency, and excellent insulation properties. Meltblown non-woven fabrics, as medical and sanitary fabrics, are mainly used to manufacture medical protective clothing, surgical gowns, medical masks, diapers, disinfection wraps, sanitary napkins and other products. Meltblown non-woven raw material testing - polypropylene 1. According to the standard: GB/T 30923-2014 plastic polypropylene (PP) meltblown special material 2. Test items: (1) Technical requirements Test items: particle appearance, melt quality Flow rate, ash, volatile matter, tert-butyl peroxide, molecular weight distribution (2) Hygiene index detection: total bacterial colonies, total fungal colonies, coliforms, pathogenic purulent bacteria Meltblown non-woven accessories detection -Adhesive interlining 1. According to the standard: FZ/T 64041-2014 Meltblown fiber web non-woven adhesive interlining 2. Test items: (1) Physical and chemical properties test: melting temperature deviation, melt flow rate deviation, moisture content, ash content , Mass deviation rate per unit area, longitudinal breaking strength, peeling strength before and after washing, appearance change of combined samples after washing, hot melt adhesive leakage of combined samples (2) Appearance quality inspection: local performance defects, scattered defects , The number of sections per roll and the length of the meltblown non-woven fabric product testing 1. Basis standard: FZ/T 64034-2014 spunbond/meltblown/spunbond (SMS) nonwoven fabric 2. Test items: (1) Appearance Quality inspection: fabric appearance, holes, impurities, odor, micropores, crystal points, frit, stiff wire, unreinforced area, thin mesh, width deviation, color difference, joint quality (2) Internal quality inspection: quality per unit area Deviation rate, longitudinal breaking strength, transverse breaking strength, longitudinal and transverse breaking elongation, hydrostatic pressure, air permeability (3) Microbial index detection: total number of bacterial colonies, total number of fungal colonies, coliforms, pathogenic pyogenic bacteria meltblown In addition to being used as medical and sanitary fabrics, non-woven fabrics are mainly used in the production of insulating materials, filter materials, geotextiles, covering fabrics, cement bag packaging and other products in industrial fabrics. Agricultural fabrics are mainly used in the production of irrigation cloth, Insulation curtains, seedling raising cloth and other products, home decoration cloth mainly produces tablecloths, bed sheets, bedspreads, curtains and other products. In addition, meltblown non-woven fabrics are also used in the production of sound insulation materials, space wool, linoleum and other products.
In today's world, have risen to an unexpected level of tensile tester manufacturers. It has gained a lot of popularity and has come up with different kinds of variations in its content.
GESTER International Co.,Limited also values the time, skills, and expert opinions of our staff. We are committed to providing fair and living wages, reasonable, structured work schedules, and clear duties and spheres of rights and responsibilities for each team member.
While tensile tester manufacturers, tensile tester manufacturers textile testing equipment can help achieve high accuracy._x000D_
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Ball Burst Method (ASTM D3787): Steel ball penetration for textiles/films using testers like GT-C02-2.
Hydraulic Method (ISO 13938.1): Fluid pressure on rubber diaphragm for industrial fabrics via GT-C12A.
Pneumatic Method (ISO 13938.2): Compressed air for breathable materials tested with GT-C12B.
Results are influenced by raw materials, yarn properties,
The Heat Contact Machine GT-C101 is a specialized testing instrument designed for evaluating the heat resistance and thermal protective performance of gloves, protective clothing, and other heat-resistant materials used in high-temperature environments. In industries such as smelting, casting, welding, and glass manufacturing, workers are frequently exposed to intense heat, making accurate testing of contact heat resistance essential for ensuring safety and compliance.
GT-C101 simulates real working conditions by measuring heat transfer delay and thermal transmission under instant contact with high-temperature surfaces. Fully compliant with EN 407, EN 702, and ISO 12127-1 standards, this machine provides precise, repeatable data for manufacturers, laboratories, and research institutions. With high-temperature capability up to 500°C, advanced calorimetry, digital monitoring, and adjustable contact speed, the Heat Contact Machine GT-C101 is an indispensable tool for developing and certifying next-generation PPE and heat-insulation materials.
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