T/GDPIA 18-2020 Polyethylene Special Material for Nose Bridge Strips of Face Masks

Scope

Scope: This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, and storage for polyethylene special materials used in nose bridges of masks. This standard applies to fully plastic polyethylene nose bridge materials for masks, which are made from polyethylene resin as the base material, with the addition of fillers and other additives, and formed through melt blending. Main technical content: 1. Scope: This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, and storage for polyethylene special materials used in nose bridges of masks. This standard applies to fully plastic polyethylene nose bridge materials for masks, which are made from polyethylene resin as the base material, with the addition of fillers and other additives, and formed through melt blending. 2. Normative references 3. Requirements 3.1 Appearance requirements 3.2 Environmental protection requirements 3.3 Hygiene performance requirements 3.4 Technical requirements 4. Test methods 4.1 Determination of test results 4.2 Appearance inspection 4.3 Preparation of samples 4.4 Conditioning of samples 4.5 Melt mass flow rate 4.6 Density 4.7 Tensile properties 4.8 Shore hardness 5. Inspection rules 5.1 Inspection categories and inspection items 5.2 Batching rules and sampling plans 5.3 Judgment rules and re-inspection rules 6. Marking 7. Packaging, transportation, and storage

Development Information

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