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Leather Footwear Inspection
Product range:
Leather inspection
overview
The leather industry covers the main industries such as leather, shoes, leather clothing, leather goods, furs and their products, as well as supporting industries such as leather chemicals, leather hardware, leather machinery, and accessories. AGC Xinyu ring testing according to the international standard ISO, AATCC, ASTM and CPSC, British BS, German DIN, Japan JIS, International Wool Bureau IWS and China GB and other relevant standards, leather products for various performance testing.
Leather classification: raw leather: cowhide, goat leather, sheep leather, pig leather, raccoon dog leather, rabbit leather, fox leather, mink leather finished leather:
upper leather, shoe 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 mattress, fur clothing, fur hat, fur toys, mink products, fox products, leather accessories, leather hardware: molded sole, artificial leather, synthetic leather, heel, shoe last, laces, 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 Furniture leather GB/T4689.21-2008 Method for determining water absorption of leather GB/T4689.22-2008 Method for determination of air permeability of leather GB/T4690-1984 Distinction of finished leather parts
GB/T4689.20-2008 Method for determining adhesion fastness of leather coatings
GB/T 19940-2005 Powdered chromium tanning agent - Hexavalent chromium ion determination method
GB/T 19941-2005 Leather and fur - Chemical test - Determination of formaldehyde content GB/T 19942-2005 Leather and fur - Chemical test - Determination
of banned azo dyes GB 20400-2006 Leather and fur - Limit of harmful substances
GB/T 22807-2008 Leather and fur - Chemical test-Determination of hexavalent chromium content GB/T 22808-2008 Leather and fur - Chemical test-Determination of pentachlorophenol content GB/T 22886-2008 Leather-Color fastness test - Color fastness to water stains
GB/T 22888-2008 Leather Physical and mechanical test - Determination
of low temperature embrittlement temperature of surface coating
GB/T 22889-2008 Leather: Physical and mechanical tests: Determination of surface coating thickness
Test the project
Physical property test:
tensile strength, elongation, tear strength, tensile resistance, shrinkage temperature, cracking height, cracking strength, leather apparent density, leather shoe fitting inspection, sensory quality, peeling strength, outsole and outer midsole bonding strength, shoe folding resistance, wear resistance, heel adhesion, upper (belt) pull-out strength, hook bending stiffness, hook hardness, heel hardness, coating folding fastness (room temperature/low temperature), bottom leather folding fastness, water absorption, heat resistance, oil resistance, fur flame retardancy
Chemical performance test: pH value, hexavalent chromium content, formaldehyde content, banned azo dyes, odor, fur volatile content, leather moisture content and volatiles, rephthalate detection, isoeldrin (qualitative) detection, nickel emission detection, carcinogenic dye detection, sensitizing dye detection, lead detection, perfluorooctane sulfonic acid detection, cadmium detection, arsenic detection, free formaldehyde detection, formaldehyde content detection, tetrachlorophenol (artificial skin PU), Pentachlorophenol (artificial skin PU), tetrachlorophenol detection, pentachlorophenol detection, dimethyl fumarate (DMF) detection, hexavalent chromium detection, banned azo dye detection Color
fastness: color fastness to rubbing, color fastness to water stains, color fastness to perspiration, color fastness to light
Footwear testing
overview
With the increasing improvement of people's material living standards, coupled with the rapid development of science and technology, a variety of new footwear materials continue to emerge in the market, people's concept of footwear products to ensure their quality is also increasingly strengthened, the pursuit of high-quality and cheap footwear products has become an important factor in the trade consideration of footwear products in various countries. To this end, governments around the world will regularly or irregularly review, revise the old laws and regulations on footwear products or formulate new laws, regulations, methods and requirements standards on footwear products to monitor that the market footwear products meet their quality requirements. In order to avoid footwear trade risks to the greatest extent in international trade and protect the interests of both footwear manufacturers and footwear consumers from being harmed, it is necessary to understand the testing content of footwear product quality and its related requirements and their development trends.
Standards and regulatory requirements
QB/T 4329-2012 cloth shoes GB/T 6677-2008 cloth shoes classification GB/T 22756-2008 leather sandals GB 20096-2006 roller skates
GB/T 19706-2005 football shoes GB/T 15107-2005 tourist shoes
GB
25038-2010 Technical specification for health and safety of rubber shoes GB 25036-2010 Rubber shoes for children on canvas GB 12011-2009 Foot protection Electrical insulating shoes GB 21146-2007 Personal protective equipment Professional shoes GB 21147-2007 Personal protective equipment Protective shoes
GB 21148-2007 Personal protective equipment Safety shoes GB/T 3807-1994 Polyvinyl chloride microporous plastic slippers
GB/T 20991-2007 Personal protective equipment Test methods
for shoes GB/T 24129-2009 Test method
for rubber shoes and sports shoes without leaving a trace
GB/T 18204.8-2000 Microbiological test method for slippers in public places Determination of mold and yeast GB/T 22049-2008 Footwear - Standard environment
for environmental regulation and test of footwear and footwear components GB/T 26713-2011 Footwear - Chemical test method Determination
of dimethyl fumarate (DMF) GB/T 28409-2012 Personal protective equipment Guide to the selection, use and maintenance of foot protective shoes (boots).
Test the project
Physical performance testing
Test site | Test the project |
sole | Slip resistance |
Abrasion resistance | |
Bendability | |
hardness | |
Elongation | |
Interlaminar peel strength | |
Profile tear force | |
Gang noodles and inside | Bending test |
Color fastness | |
Tear and tensile tests | |
Suture strength | |
Type denaturation | |
Thermal insulation performance | |
Friction resistant | |
Breathability and water permeability | |
Aging treatment | |
insole | Thermal insulation performance |
Abrasion resistance | |
Color fastness |
Chemical property testing
Azo dyes are banned | Dimethyl fumarate |
15 substances of high concern in the REACH regulation | Nickel release |
Pentachlorophenol | Tetrachlorophenol |
Toys eight heavy metals | Eight heavy metals in textiles |
formaldehyde | pH |
Bag test
overview
With the development of the economy and the improvement of the quality of life, people have begun to increase the comfort of bags and accessories, as well as environmental protection and health requirements. Due to the emergence of EU regulations, US CPSC and other regulations, the quality and safety of luggage and accessories products are more and more concerned by consumers in various countries, and the quality requirements are becoming more and more stringent, many countries and companies have established their own control requirements for luggage and accessories products, and manufacturers must ensure that their products meet all relevant standards.
Standards and regulatory requirements
At present, the mandatory standards for luggage products in China are mainly mandatory standards for the safety of textiles and leather materials, mainly including:
GB18401-2010 "National Basic Safety Technical Specifications for Textile Products" GB20400-2006 "Leather and Fur Harmful Substances Limit" GB19340-2014 "Adhesives for Shoes and Bags"
.
GB18401-2010 "National Basic Safety Technical Specification for Textile Products" mandatory national standard.
The textile products referred to in the technical specifications include natural fibers and chemical fibers as the main raw materials, through spinning, weaving, dyeing and other processing processes or then by sewing, compounding and other processes to make products, such as yarns, fabrics and their finished products, which stipulates the basic safety technical requirements, test methods, inspection rules and implementation and supervision of textile products, applicable to the production, sale and use of textile products for taking and decoration in China, which has been implemented since August 2011, 8. Therefore, this technical specification applies to luggage products.
The basic safety technical requirements stipulated in the technical specifications refer to the most basic requirements put forward to ensure that textile products are harmless to human health, and textile products are divided into three categories, one is Class A products, that is, infant textile products,
which refer to textile products worn or used by infants aged 1 months and below;
The second is Class B products, that is, textile products that directly contact the skin, which refers to textile products in which most of the area of the product is in direct contact with human skin when worn or used;
The third is Class C products, that is, textile products that do not really contact the skin, which refers to textile products that do not directly contact the human skin when worn or used, or only a small part of the area directly contact with the human skin.
Luggage products belong to Class C products, that is, textile products that do not come into direct contact with the skin. The technical requirements for Class C products stipulated in the technical specifications include:
free formaldehyde content is not more than 36mg/kg, pH value is between 300.4-0.9, shall not contain azo materials that can decompose 0 kinds of aromatic amines under reducing conditions, no peculiar smell, water resistance (discoloration, staining), acid perspiration resistance (discoloration, staining), alkali perspiration resistance (discoloration, staining) and dry rubbing Color Fastness is not less than grade 24.
GB3-20400 "Leather and fur harmful substances limit" mandatory national standard, which stipulates the limit and detection method of harmful chemical substances in daily leather and fur products,
and divides leather and fur products into three categories
First, Class A products, that is, infant products, refers to the technical requirements of textile products C products used by infants and young children within 2006 months, including: free formaldehyde content is not more than 24mg/kg, pH value is between 300.4-0.9, shall not contain azo materials that can decompose 0 kinds of aromatic amines under reducing conditions, no peculiar smell, water resistance (discoloration, staining), acid perspiration resistance (discoloration, staining), alkali perspiration resistance (discoloration, staining) and dry rubbing Color Fastness is not less than 23.
GB3-19340 "Adhesives for shoes and bags" national mandatory standard
The standard specifies the adhesion performance, harmful substance limit and detection method of footwear and luggage adhesives, the standard stipulates that in addition to adhesives only used for luggage positioning, the peeling strength of luggage adhesives is not less than 2014.2N/mm, the content of benzene is not more than 0.5g/kg, the content of toluene + xylene is not more than 0g/kg, the content of n-hexane is not more than 200g/kg, the total volatile organic compound content is not more than 150g/kg, dichloromethane, 750,1 dichloroethane, The content of halogenated hydrocarbons such as 2,1,1 trichloroethane and trichloroethylene is not more than 2.50g/kg, and the content of free toluene diisocyanate in polyurethane adhesive is not more than 0.10g/kg
Test the project
The static load test
simulates bags under high loads, and tests the strength of the handlebars or shoulder straps of the bags when suspended at rest.
The roller/handle test
simulates the strength and durability of the roller and handle under normal load of the bag.
The drop test
simulates a bag to be dropped several times under normal conditions at a certain height, and then the appearance and damage of the bag is detected.
The tie rod durability test
simulates the fatigue resistance of the tie rod during lifting and lowering process.
Other tests
: material physical properties test, luggage accessory test
Large-scale experimental base
Professional Lab
Analysis Method
Testing/year
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