Common Silicone Rubber for Molding and Extrusion
Common SILICONE RUBBER FOR MOLDING
Characteristics:
Compliance with FDA, good physical and mechanical properties, good processabilit
Main Applications:
Keypads, sealing rings and sealing gaskets.
COMMON SILICONE RUBBER FOR EXTRUSION
Characteristics:
Compliance with FDA, good physical and mechanical properties, good processability.
Main Applications:
Common silicone rubber tubes, shaped strips and foam strips, etc.
| Properties | Product Data | Test Method | |||||||
|---|---|---|---|---|---|---|---|---|---|
| NE-7125 | NE-7130 | NE-7140 | NE-7150 | NE-7160 | NE-7170 | NE-7180 | NE-7190 | ||
| Appearance | Milk-white, light yellow, no obvious extraneous matter. | Visual Inspection | |||||||
| Density, g/cm3 | 1.05～ 1.10 | 1.07～ 1.11 | 1.10～ 1.14 | 1.13～ 1.17 | 1.16～ 1.20 | 1.19～ 1.23 | 1.20～ 1.24 | 1.21～ 1.25 | ASTM D792 |
| Hardness, Shore A | 25±2 | 30±2 | 40±2 | 50±2 | 60±2 | 70±2 | 80±2 | 86±2 | ASTM D2240 |
| Tensile Strength, MPa ≥ | 3.5 | 6.0 | 6.5 | 7.5 | 7.0 | 4.0 | ASTM D412 | ||
| Elongation at Break, % ≥ | 700 | 500 | 420 | 320 | 280 | 200 | 150 | 80 | |
| Tension Set, % ≤ | 8 | 7 | 8 | 7 | 6 | ||||
| Tear Strength, Die C kN/m ≥ | 10 | 15 | 16 | 18 | 17 | 16 | 10 | ASTM D624 | |
| Compression Set, 180℃*22h ≤ | / | 50 | 30 | ASTM D395 | |||||
| Resilience, % ≥ | / | 60 | 50 | 45 | 40 | / |