T/GDPIA 14-2020 Special electret polymer masterbatch for polypropylene melt-blown fabric used in masks
T/GDPIA 14-2020 Special electret polymer masterbatch for polypropylene melt-blown fabric used in masks
Basic Information
Scope
Scope: This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, and storage for electrostatic charge-retaining masterbatches specifically designed for polypropylene meltblown fabrics used in masks. This standard applies to electrostatic charge-retaining masterbatches specifically designed for polypropylene meltblown fabrics used in masks, which are made by adding materials with electrostatic charge-retaining functions (electrostatic bodies) and/or other additives to a polyolefin carrier. Main technical content: 1. Scope: This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, and storage for electrostatic charge-retaining masterbatches specifically designed for polypropylene meltblown fabrics used in masks. This standard applies to electrostatic charge-retaining masterbatches specifically designed for polypropylene meltblown fabrics used in masks, which are made by adding materials with electrostatic charge-retaining functions (electrostatic bodies) and/or other additives to a polyolefin carrier. 2. Normative references 3. Terms and definitions 4. Requirements 4.1 Appearance requirements 4.2 Environmental protection requirements 4.3 Hygiene performance requirements 4.4 Technical requirements 5. Test methods 5.1 Determination of test results 5.2 Standard environment for testing 5.3 Appearance of particles 5.4 Density 5.5 Melt flow rate 5.6 Ash content 5.7 Moisture 5.8 Odor 5.9 Pressure difference of filter net 5.10 Particle filtration efficiency (PFE) 6. Inspection rules 6.1 Inspection categories and inspection items 6.2 Batching rules and sampling schemes 6.3 Judgment rules and re-inspection rules 7. Marking 8. Packaging, transportation, and storage