T/GTES 4-2024 Active Group standards

T/GTES 4-2024 Washing denim clothing with eco-friendly pumice

Publish Date: 2024-04-29 Implement Date: 2024-05-10 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/GTES 4-2024

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Light industry, culture, and daily necessities

ICS Name: Clothing

Publish Date: 2024-04-29

Implement Date: 2024-05-10

Scope

Scope: This document specifies the terms and definitions, technical requirements, usage requirements, evaluation, testing methods, inspection rules, marking, packaging, transportation, and storage of environmentally friendly pumice stones for denim garment washing. This document applies to environmentally friendly pumice stones made primarily from natural minerals and used in denim garment washing. Main technical content: 1. Scope of application: This document specifies the terms and definitions, technical requirements, testing methods, inspection rules, marking, packaging, transportation, and storage of environmentally friendly pumice stones. This document applies to environmentally friendly pumice stones made primarily from natural minerals and used in denim garment washing. 2. Terms and definitions: The terms and definitions of pumice stones and environmentally friendly pumice stones are modified and referenced from T/GDTEX 22.2-2021. 3. Technical indicators: To further improve the development level of the industry, promote its progress, and standardize product quality, the drafting group determined the main technical indicators after careful discussion based on the product's own characteristics, usage requirements, and feedback from enterprises. These include appearance quality, density, water absorption, water resistance, limit values for harmful substances, and usage requirements. The establishment of these technical control indicators plays an important guiding role in standardizing the production and sales of environmentally friendly pumice stones for denim garment washing. - Appearance quality: Six requirements are set for product shape, surface, and color. - Physical properties: These include bulk density and water absorption. - Bulk density: The mass of a material per unit volume (including its solid and open/closed pores) in its natural state, commonly known as specific gravity. - Water absorption: The percentage increase in weight of a material af