T/GDPIA 20-2020 Extrusion grade of polyethylene (PE) for protective clothing with breathability membrane
T/GDPIA 20-2020 Extrusion grade of polyethylene (PE) for protective clothing with breathability membrane
Basic Information
Scope
Scope: This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, and storage for special materials of polyethylene (PE) breathable membranes used in protective clothing. This standard applies to special materials of polyethylene breathable membranes for protective clothing, which are based on polyethylene resin and incorporate polypropylene resin, inorganic fillers, and other additives, modified by melt blending. It is only applicable to cast film molding. Main technical contents: 1. Scope: This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, and storage for special materials of polyethylene (PE) breathable membranes used in protective clothing. This standard applies to special materials of polyethylene breathable membranes for protective clothing, which are based on polyethylene resin and incorporate polypropylene resin, inorganic fillers, and other additives, modified by melt blending. It is only applicable to cast film molding. 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 Sample preparation 4.3 Appearance of particles 4.4 Melt mass flow rate 4.5 Ash content 4.6 Moisture content 4.7 pH value 4.8 Water vapor permeability 4.9 Static water pressure 5. Inspection rules 5.1 Inspection categories and inspection items 5.2 Batching rules and sampling plans 5.3 Judging rules and re-inspection rules 6. Marking 7. Packaging, transportation, and storage