Leather testing

Product introduction： Leather classification:Raw leather: cowhide, goat skin, sheep skin, pig skin, raccoon dog skin, rabbit skin, fox skin, mink skinFinished leather: shoe upper leather, shoe lining leather, clothing glove leather, sofa leather, car cushion leather, luggage leather, special/professional finished leatherLeather clothing: leather coat, leather jacket, leather hat, fashion, leather special/professional leather clothingFur products: fur plates, fur clothing, fur hats, fur toys, mink products, fox skin productsLeather accessories, leather hardware: molded sole, synthetic leather, heel, shoe last, shoelace, leather hardware accessories, special/professional leather accessoriesBall leather: leather basketball leather volleyball leather football special/professional leather ballStandards and regulatory requirements:GB/T16799-2008 Leather for FurnitureGB/T4689.21-2008 Test Method for Water Absorption of LeatherGB/T4689.22-2008 Leather - Determination of Air PermeabilityGB/T4690-1984 Classification of finished leather partsGB/T4689.20-2008 Test Method for Adhesion Fastness of Leather CoatingsGB/T 19940-2005 Method for the determination of hexavalent chromium ions in powdered chromium tanning agentsGB/T 19941-2005 Leather and Fur Chemical Tests - Determination of Formaldehyde ContentGB/T 19942-2005 Leather and Fur Chemical Tests - Determination of Prohibited Azo DyesGB 20400-2006 Limit of Harmful Substances in Leather and FurGB/T 22807-2008 Leather and Fur Chemical Tests - Determination of Hexavalent Chromium ContentGB/T 22808-2008 Leather and Fur Chemical Tests - Determination of Pentachlorophenol ContentGB/T 22886-2008 Leather - Tests for Color Fastness - Color Fastness to Water StainingGB/T 22888-2008 Leather Physical and Mechanical Testing - Determination of Low Temperature Embrittlement Temperature of Surface CoatingsGB/T 22889-2008 Leather Physical and Mechanical Testing - Determination of Surface Coating ThicknessTest itemsPhysical performance testing:Tensile strength, elongation, tear strength, tensile strength, shrinkage temperature, crack height, crack strength, leather apparent density, leather shoe trial wear inspection, sensory quality, peel strength, outsole to outsole adhesion strength, shoe folding resistance, wear resistance, heel bonding strength, upper (strap) pull-out strength, hook center bending stiffness, hook center hardness, heel hardness, coating folding fastness (room temperature/low temperature), sole leather folding fastness Water absorption, heat resistance, oil resistance, and fur flame retardancyChemical performance testing: pH value, hexavalent chromium content, formaldehyde content, prohibited azo dyes, odor, fur volatile matter content, leather moisture content and volatile matter, phthalate ester detection, isotherm (qualitative) detection, nickel release detection, carcinogenic dye detection, sensitized dye detection, lead detection, perfluorooctane sulfonic acid detection, cadmium detection, arsenic detection, free formaldehyde detection, formaldehyde content detection Tetrachlorophenol (artificial leather PU), pentachlorophenol (artificial leather PU), tetrachlorophenol detection, pentachlorophenol detection, dimethyl fumarate (DMF) detection, hexavalent chromium detection, prohibited azo dye detectionColor fastness: color fastness to rubbing, color fastness to water stains, color fastness to sweat stains, and color fastness to light exposure

Project introduction： The leather industry covers the main industries of leather making, shoe making, leather clothing, leather goods, fur and its products, as well as supporting industries such as leather chemicals, leather hardware, leather machinery, and accessories. According to international standards such as ISO, American AATCC, ASTM and CPSC, British BS, German DIN, Japanese JIS, International Wool Bureau IWS, and Chinese GB, various performance tests are conducted on leather products.

Application description：

Expected cycle：

Latest offers：

Project description
Customer case
Certification application

Leather classification:

Raw leather: cowhide, goat skin, sheep skin, pig skin, raccoon dog skin, rabbit skin, fox skin, mink skin

Finished leather: shoe upper leather, shoe lining leather, clothing glove leather, sofa leather, car cushion leather, luggage leather, special/professional finished leather

Leather clothing: leather coat, leather jacket, leather hat, fashion, leather special/professional leather clothing

Fur products: fur plates, fur clothing, fur hats, fur toys, mink products, fox skin products

Leather accessories, leather hardware: molded sole, synthetic leather, heel, shoe last, shoelace, leather hardware accessories, special/professional leather accessories

Ball leather: leather basketball leather volleyball leather football special/professional leather ball

Standards and regulatory requirements:

GB/T16799-2008 Leather for Furniture

GB/T4689.21-2008 Test Method for Water Absorption of Leather

GB/T4689.22-2008 Leather - Determination of Air Permeability

GB/T4690-1984 Classification of finished leather parts

GB/T4689.20-2008 Test Method for Adhesion Fastness of Leather Coatings

GB/T 19940-2005 Method for the determination of hexavalent chromium ions in powdered chromium tanning agents

GB/T 19941-2005 Leather and Fur Chemical Tests - Determination of Formaldehyde Content

GB/T 19942-2005 Leather and Fur Chemical Tests - Determination of Prohibited Azo Dyes

GB 20400-2006 Limit of Harmful Substances in Leather and Fur

GB/T 22807-2008 Leather and Fur Chemical Tests - Determination of Hexavalent Chromium Content

GB/T 22808-2008 Leather and Fur Chemical Tests - Determination of Pentachlorophenol Content

GB/T 22886-2008 Leather - Tests for Color Fastness - Color Fastness to Water Staining

GB/T 22888-2008 Leather Physical and Mechanical Testing - Determination of Low Temperature Embrittlement Temperature of Surface Coatings

GB/T 22889-2008 Leather Physical and Mechanical Testing - Determination of Surface Coating Thickness

Test items

Physical performance testing:

Tensile strength, elongation, tear strength, tensile strength, shrinkage temperature, crack height, crack strength, leather apparent density, leather shoe trial wear inspection, sensory quality, peel strength, outsole to outsole adhesion strength, shoe folding resistance, wear resistance, heel bonding strength, upper (strap) pull-out strength, hook center bending stiffness, hook center hardness, heel hardness, coating folding fastness (room temperature/low temperature), sole leather folding fastness Water absorption, heat resistance, oil resistance, and fur flame retardancy

Chemical performance testing: pH value, hexavalent chromium content, formaldehyde content, prohibited azo dyes, odor, fur volatile matter content, leather moisture content and volatile matter, phthalate ester detection, isotherm (qualitative) detection, nickel release detection, carcinogenic dye detection, sensitized dye detection, lead detection, perfluorooctane sulfonic acid detection, cadmium detection, arsenic detection, free formaldehyde detection, formaldehyde content detection Tetrachlorophenol (artificial leather PU), pentachlorophenol (artificial leather PU), tetrachlorophenol detection, pentachlorophenol detection, dimethyl fumarate (DMF) detection, hexavalent chromium detection, prohibited azo dye detection

Color fastness: color fastness to rubbing, color fastness to water stains, color fastness to sweat stains, and color fastness to light exposure

Hot Products / Popular search： More

CE Certification

2018 - 02 - 28

1. Introduction to CE certificationThe 'CE' mark is a safety certification mark that is considered a passport for manufacturers to open and enter the European market. CE represents the logo of the European Unified CE Certification (CONFORMITE EUROPEENNE). All products with the 'CE' mark can be sold in various member states of the European Union without meeting the requirements of e...

EU Certification

2018 - 01 - 30

European UnionCE certification, EU ERP certification, EU REACH certification, EU RoHS certification, EU ENEC certificationGermanyTUV South German certification, German WEEE certification, German GS certificationBritainUK BSI Certification UK UKCA CertificationFranceFrench NF certificationNordic CountriesNordic Nordic CertificationNetherlandsKEMA certification in the NetherlandsAustriaAustria OVE c...

American ASTM

2017 - 06 - 09

Summary of Certification ContentThe predecessor of ASTM was the International Association for Testing Materials (IATM).In the 1880s, in order to resolve the opinions and disagreements between buyers and suppliers in the process of purchasing and selling industrial materials, some proposed the establishment of a technical committee system. The technical committee organized representatives from vari...

IEC certification

2017 - 06 - 09

Introduction to IEC CertificationThe IEC standard, also known as the International Electrical Commission, is a worldwide standardization organization composed of various countries' electrical committees. Its purpose is to promote standardization in the field of electrical and electronic technology worldwide. The origin of the International Electrotechnical Commission was a resolution passed at...