High Temperature Resistant Silicone Rubber
Characteristics:
Excellent physical and mechanical properties; wide range of applications; can be used at 250℃ for a long time and can withstand an instant temperature of 300℃Â
Main Applications:
Various refractory seals, rubber rolls and sealing joint strips, etc.
| Properties | Product Data | Test Method | |||||||
|---|---|---|---|---|---|---|---|---|---|
| NE-G121 | NE-G131 | NE-G141 | NE-G151 | NE-G161 | NE-G171 | NE-G181 | |||
| Appearance | Light yellow, no obvious extraneous matter. | Visual Inspection | |||||||
| Density, g/cm3 | 1.00～ 1.06 | 1.03～ 1.13 | 1.08～ 1.18 | 1.10～ 1.20 | 1.14～ 1.24 | 1.17～ 1.27 | 1.20～ 1.30 | ASTM D792 | |
| Curing | Hardness, Shore A | 23±3 | 30±3 | 40±3 | 50±3 | 60±3 | 70±3 | 80±3 | ASTM D2240 |
| Tensile Strength, MPa ≥ | 5.0 | 5.5 | 6.5 | 8.0 | 7.5 | 6.5 | ASTM D412 | ||
| Elongation at Break, % ≥ | 650 | 550 | 450 | 380 | 320 | 220 | 180 | ||
| Tension Set, % ≤ | 8 | 7 | 8 | 7 | |||||
| Tear Strength, Die C kN/m ≥ | 10 | 15 | 18 | 20 | 18 | ASTM D624 | |||
| Post-curing | Hardness, Shore A | 24±3 | 31±3 | 41±3 | 53±3 | 63±3 | 72±3 | 83±3 | ASTM D2240 |
| Tensile Strength, MPa ≥ | 4.5 | 6.0 | 7.0 | 7.5 | 7.0 | ASTM D412 | |||
| Elongation at Break, % ≥ | 600 | 320 | 300 | 260 | 180 | 150 | |||
| Tear Strength, Die C kN/m ≥ | 8 | 14 | 16 | 18 | 20 | 16 | ASTM D624 | ||
| Compression Set, 180℃*22h ≤ | 45 | 35 | 30 | 25 | ASTM D395 | ||||
| Property variation percent during aging (250℃*72h) | Hardness, Shore A | -5 | -3 | 4 | 5 | / | |||
| Tensile Strength, % | -60 | -35 | -30 | -15 | / | ||||
| Elongation at Break, % | -40 | -20 | -15 | -20 | -30 | -15 | / |
