Silicone Rubber compound heat ,cold resistance weatherability white and transparent Fast delivery
Item | 7250 | 7260 | 7270 | 7280 | |
Appearance | Milky-white, slightly yellow No obvious extranenous matter | ||||
Density | g/cm³ | 1.18±0.05 | 1.20±0.05 | 1.22±0.05 | 1.25±0.05 |
Hardness | Shore A points | 50±3 | 60±3 | 70±3 | 80±3 |
Tensile Strength | Mpa≥ | 7.5 | 7.5 | 7.0 | 6.5 |
Elongation at Breakage | %≥ | 450 | 360 | 250 | 150 |
Tension set | %≤ | 14 | 14 | 14 | 10 |
Tear Strength | KN/m≥ | 18 | 20 | 20 | 18 |
Volume Resistivity | Ω.cm | 1.0×10 | |||
Dielectric Strength | Kv/mm≥ | 18 | |||
First Vulcanization condition for test piece:175°C×5min
Second Vulcanization condition for test piece:200°C×5h
Vulcanizator: 80%DMDBH,quality added 0.65%
physical and mechanical properties are based on first vulcanization data, electrical properties are drawn from second vulcanization data.
Silicone Rubber compound
