T/NDAS 29-2021 Abolished Group standards

T/NDAS 29-2021 The technical requirements for plastic woven bags used in chemical industry

Publish Date: 2021-05-12 Implement Date: 2021-05-12 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/NDAS 29-2021

Standard Type: Group standards

Standard Status: Abolished

is_force_gb: no

CCS Name: Chemical machinery and equipment

ICS Name: Other chemical products

Publish Date: 2021-05-12

Implement Date: 2021-05-12

Scope

Scope: This document specifies the classification, models, specifications, materials, and semi-finished products of plastic woven bags for chemical use (hereinafter referred to as woven bags), as well as their requirements, test methods, inspection rules, marking, packaging, transportation, and storage. This document applies to plastic woven bags made from resins such as polypropylene and polyethylene, which are extruded and stretched into flat filaments, woven, and bagged. Main technical content: 1. Scope: This document specifies the classification, models, specifications, materials, and semi-finished products of plastic woven bags for chemical use, as well as their requirements, test methods, inspection rules, marking, packaging, transportation, and storage. This document applies to plastic woven bags made from resins such as polypropylene and polyethylene, which are extruded and stretched into flat filaments, woven, and bagged. 2. Terms and definitions: This document defines the terms "plastic flat filament", "plastic woven fabric", "weft density", "warp density", "plastic woven bag", "single-layer bag", "multi-layer bag", "coated bag", and "laminated bag". 3. Classification, models, and specifications: This document specifies the classification, models, and specifications of plastic woven bags for chemical use. 4. Materials and semi-finished products: This document specifies the materials and semi-finished products of plastic woven bags for chemical use. 5. Requirements: This document specifies the requirements of plastic woven bags for chemical use. 6. Test methods: This document specifies the test methods for plastic woven bags for chemical use. 7. Inspection rules: This document specifies the inspection rules for plastic woven bags for chemical use. 8. Marking, packaging, transportation, and storage: This document specifies the marking, packaging, transportation, and storage of plastic woven bags for chemical use.