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Textile physical properties and chemistry

日期: 2020-05-29

Textile physical property testing         

Fiber composition analysis

Qualitative fiber composition analysis | garment composition analysis | quantitative fiber content analysis | Moisture content analysis


Color fastness test

Color fastness to washing | color fastness to perspiration | color fastness to pollution | color fastness to bleach | color fastness to hot pressing | color fastness to acid stains | color fastness to water stains | color fastness to rubbing | color fastness to sunlight | color fastness to non rinsing | color fastness to dry cleaning | color fastness to water | color fastness to sea water | color fastness to dry heat | color fastness to alkali stains | color fastness to chlorine bleaching | color fastness to saliva | phenolic yellowing test


Dimensional stability test

Dimensional stability to washing test | appearance after washing | dimensional stability to dry cleaning


Strength test

Tensile strength | tearing strength | bonding strength | bursting/rupturing strength | seam strength


Performance test

Elasticity and resilience | wear-resisting performance | anti-scratch | wool raising ball test | insulation/heat preservation | cold test | ultraviolet penetration rate | moisture permeability | water proofing | air permeability | oil resistance | anti-static | fabric drapability | Ultraviolet Protection Factor (UPF)


Combustion test

Furniture elastic padding combustion test | bedding combustion test | fire retardant clothing test | furniture stuffing combustion test | furniture fire protection test | carpet combustion test | flammability test

Analysis of fabric structure

Fabric density | yarn count | fabric width | fabric texture class | fabric thickness | fabric quality


Fiber and yarn detection

Fiber linear density (fiber fineness) | yarn strength | fiber diameter | fiber melting point | twist of yarn


Other tests

Garment specification measurement | washing label recommendation | color difference evaluation


Chemical analysis        


General test items
pH | lead content | total lead content | phenolic aldehyde | cadmium | alkyl phenol and alkyl phenol polyoxyethylene ether | allergenic disperse dye freed | formic acid content | phenylbenzene compounds | organotin compounds | flame retardants | carcinogenic dyes | phthalates |  heavy metals | fiber composition | nickel release | banned azo dyes | perfluorooctane sulfonic acid and its salts | pesticides | polycyclic aromatic hydrocarbons | short-chain chlorinated paraffins | hexavalent chromium | dimethyl fumarate


AZO testing


With the improvement of living standards, consumers have increasingly stringent requirements for the quality of garments and textiles. The banned azo dye can be broken down into carcinogens and seriously affect human health. Moreover, this type of dye is usually colorless and odorless, which cannot be sensed by human sensory organs. Even washing does not reduce its hazard. As a result, domestic and foreign textile standards have banned this type of dye.


Testing products: garments, bedding, towels, wigs, false eyebrows, hats, diapers and other cleaning and hygiene products, sleeping bags, shoes, gloves, watch belts, handbags, purses, briefcases, chair covers, toys with textiles, synthetic dyes, organic compound dyes, consumer fabrics and yarns, etc.


Test standards: GB/T 17592-2006, ISO 14362-1:2017, ISO 14362-3:2017, ISO 17234-1:2015, ISO 17234-2:2011


Dimethyl fumarate (DMF) testing


Dimethyl fumarate (DMF) is a highly effective anti-mildew agent widely used in furniture and footwear industries. It may cause skin allergies, rashes or burns when used excessively. On March 17, 2009, the European Commission adopted a Draft Directive 2009/251/EC requesting member states to ensure products containing the biocide dimethyl fumarate shall not be put onto or sold on the market after May 1, 2009.


a. The content of dimethyl fumarate in products or product parts shall not exceed 0.1 mg/kg (0.1 ppm)

b. Desiccant and mildew proofing bags containing dimethyl fumarate shall not be used in products and packages.


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