索尔维水解稳定本色PPS RYTON R-4-220NA
Density / Specific Gravity | 1.68 | g/cm | ASTM D792 |
Molding Shrinkage | |||
Flow : 3.20 mm | 0.20 | % | |
Across Flow : 3.20 mm | 0.50 | % | |
Water Absorption(24 hr, 23°C) | 0.020 | % | ASTM D570 |
Hardness | Nominal Value | Unit | Test Method |
Rockwell Hardness | ASTM D785 | ||
M-Scale | 103 | ||
R-Scale | 122 |
Mechanical | Nominal Value | Unit | Test Method |
Tensile Strength | |||
-- | 186 | MPa | ASTM D638 |
-- | 190 | MPa | *** 527-2 |
Tensile Elongation(Break) | 1.6 | % | ASTM D638,*** 527-2 |
Flexural Modulus | |||
-- | 14500 | MPa | ASTM D790 |
-- | 14000 | MPa | *** 178 |
Flexural Strength | |||
-- | 269 | MPa | ASTM D790 |
-- | 275 | MPa | *** 178 |
Compressive Strength | 275 | MPa | ASTM D695 |
Poisson's Ratio | 0.37 | *** 527 | |
Impact | Nominal Value | Unit | Test Method |
Notched Izod Impact | |||
3.18 mm | 91 | J/m | ASTM D256 |
-- | 9.0 | kJ/m | *** 180/A |
Unnotched Izod Impact | |||
3.18 mm | 640 | J/m | ASTM D4812 |
-- | 35 | kJ/m | *** 180 |
Thermal | Nominal Value | Unit | Test Method |
Deflection Temperature Under Load(1.8 MPa, Unannealed) | 265 | °C | ASTM D648 |
PPS在负荷下的耐蠕变性好,硬度高;***性高,其1000转时的磨耗量仅为0.04g,填充F4及二硫化钼后还会进一步得到改善;PPS还具有一定的自润性。PPS的机械性能对温度的敏感性能小(3)热学性能:PPS具有***的热性能,短期可耐260℃,并可在200~240℃下长期使用;其耐热性与PI相当,仅次于F4塑料,这在热固性塑料中也不多见。