Main testing items of non-woven fabrics
Non-woven fabric, also known as non-woven fabric, is composed of directional or random fibers. It is a new generation of environmentally friendly materials. It is moisture-proof, breathable, flexible, lightweight, non-combustible, easy to decompose, non-toxic and non-irritating. Abundance, low price, recyclable and so on.
1. Non-woven fabrics for medical and hygienic use: surgical gowns, protective clothing, disinfection wraps, masks, diapers, household wipes, wipes, wet face wipes, magic towels, soft towel rolls, beauty supplies , sanitary napkins, sanitary pads, and disposable sanitary cloth.
2. Non-woven fabrics for home decoration: wall coverings, tablecloths, bed sheets, bedspreads, etc.
3. Non-woven fabrics for clothing: lining, adhesive lining, flakes, shaped cotton, various synthetic leather base fabrics, etc.
4. Industrial non-woven fabrics: base materials for roofing waterproofing membranes and asphalt shingles, reinforcing materials, polishing materials, filter materials, insulating materials, cement packaging bags, geotextiles, covering cloths, etc.
5. Agricultural non-woven fabrics: crop protection fabrics, seedling raising fabrics, irrigation fabrics, thermal insulation curtains, etc.
6. Other non-woven fabrics: space cotton, thermal insulation materials, linoleum, cigarette filters, tea bags, shoe materials, etc.
Test items:
1. Color fastness test: color fastness to washing, color fastness to rubbing (dry, wet), color fastness to water, color fastness to saliva , Color fastness to light, color fastness to dry cleaning, color fastness to perspiration, color fastness to dry heat, color fastness to heat pressure, color fastness to chlorine water, color fastness to brushing, color fastness to chlorine bleaching< /p>
2. Physical property testing: tensile breaking strength, tearing strength, seam slip, seam strength, burst strength, anti-pilling, abrasion resistance, fabric density, weight, thickness , width, weft bias, yarn count, moisture regain, single yarn strength, appearance after washing, dimensional stability
3. Functional testing: air permeability, moisture permeability, combustion performance, waterproof performance (Hydrostatic pressure, splashing water, rain), electrostatic test
4. Chemical property testing: PH value determination, composition analysis, formaldehyde content, azo test, heavy metal.
5. Evaluation indicators: tensile strength, elongation, tear strength, burst strength, peel strength, composition analysis and other testing standards:
GB/T24218.1－2009 Textiles Test methods for non-woven fabrics-Part 1: Determination of mass per unit area Test methods for woven fabrics-Part 3: Determination of breaking strength and elongation at break (strip method)
GB/T24218.6-2010 Test methods for textiles and nonwovens-Part 6: Determination of absorbency
GB/T24218.8-2010 Test methods for nonwovens for textiles - Part 8: Determination of liquid penetration time (simulated urine)
GB/T24218.13-2010 Textiles Test methods for nonwovens Part 13: Determination of multiple penetration times of liquids Test Methods for Nonwovens Part 101: Determination of Resistance to Physiological Saline (Mason Jar Method)
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