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Qualitative characteristics fro the rigid e PVC compounds
Standard | Norma for DANVIL | RPP | RPC | RMB-I | RMB-E | RPW | RPF | RST | Appearance and color | Powder of the white color | White or other color granules without impurities (within and inside granules) and snuff | Quantity of granules by size 1-5mm in any direction, %, not less then | Not standardized | 90 | Bulk density , kg/m3, not less then | 400 | Not standardized | Looseness, sec, not less then | 15 | Not standardized | Ass fraction of humidity an d volatile substances, , %, not more then | 0,3 | 0,3 | 0,3 | 0,2 | 0,2 | 0,3 | 0,3 | Thermal stability, min., not less then | 60 | 100 | 80 | 90 | 100 | 60 | 60 | MFI, g/10min, not less then | 4,0 | 4,0 | 5,0 | 5,0 | 5,0 | 4,0 | 5,0 | Specific gravity, g/sm3 | Not standardized | 1500 | 1600 | 1500 | 1500 | 1400 | 1400 | Tensile strength MPa, not less then | 45,0 | 40,0 | 45,0 | 40,0 | 40,0 | 20,0 | 35,0 | Elongation at break, %, not less then | 10 | 10 | 20 | 40 | 40 | 250 | 30 | Viscosity by Sharpi, кJ\m2, not less then | 8 | 8 | 10 | 40 | 40 | Not standardized | Heat-resistance by Vica , оС, not less then | 75 | 75 | 70 | 75 | 75 | Not standardized | 70 | Shore Hardness, units by scale, not more then | Not standardized | 90 | Not standardized | Frost resistance, оС, not more then | Not standardized | Minus 40 | Minus 40 | Not standardized |
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