Common execution standards and testing items for student uniforms and school uniforms - Hengxiang Testing
Sep 15,2021
Machine woven student uniforms GB/T 23328-2009:
Suitable for student uniforms produced primarily from textile woven fabrics.
Testing items: Appearance quality, instructions for use, physical and chemical properties [fiber content, formaldehyde content, pH value, odor, decomposable aromatic amine dyes, washing size change rate, washed appearance, fabric color fastness (wash resistance, friction resistance, light resistance, sweat resistance, water resistance), lining color fastness (dry friction resistance, wash resistance), embroidery thread wash fastness, pilling, slipping, crotch seam strength, moisture regain].
Machine woven school uniforms for primary and secondary school students GB/T 31888-2015:
Suitable for clothing and accessories produced mainly from textile fabrics and worn uniformly by primary and secondary school students in their daily lives at school. Other students' school uniforms can be implemented accordingly.
Testing items: Appearance quality, instructions for use, fiber content, formaldehyde content, pH value, odor, decomposable carcinogenic aromatic amine dyes, combustion performance, sharpness of accessories, rope, residual metal needles, color fastness (water resistance, sweat resistance, friction resistance, soap washing resistance, light sweat recombination resistance, light resistance), pilling, bursting strength, breaking strength, swelling strength, seam strength, yarn slippage at the seam, washing size change rate, twisting rate after washing, appearance after washing, fillers, accessories, high visual warning.
Knitted student clothing GB/T 22854-2009:
Suitable for identifying student clothing products produced in batches using knitted fabrics as the main raw material.
Appearance quality, instructions for use, internal quality [fiber content, formaldehyde content, pH value, odor, decomposable aromatic amine dye, bursting strength, seam strength, washing size change rate, post washing distortion rate, color fastness (soap washing resistance, sweat stain resistance, water resistance, friction resistance, light resistance, light sweat (alkali) resistance, degree of joint dyeing), printing color fastness (soap washing resistance, friction resistance), pilling].
Knitted school uniforms for primary and secondary school students GB/T 31888-2015:
Suitable for clothing and accessories produced mainly from textile fabrics and worn uniformly by primary and secondary school students in their daily lives at school. Other students' school uniforms can be implemented accordingly.
Testing items: fiber content, appearance quality, instructions for use, formaldehyde content, pH value, odor, decomposable carcinogenic aromatic amine dyes, combustion performance, sharpness of accessories, rope, residual metal needles, color fastness (water resistance, sweat resistance, friction resistance, soap washing resistance, light sweat recombination resistance, light resistance), pilling, bursting strength, breaking strength, swelling strength, seam strength, yarn slippage at the seam, washing size change rate, twisting rate after washing, washing appearance, fillers, accessories, high visual warning.
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