Standard Silicone Rubber for Molding and Extrusion
STANDARD SILICONE RUBBER FOR MOLDING
Characteristics:
Compliance with FDA, good processability and comprehensive physical properties, excellent yellowing resistance, excellent heat resistance at temperature of -50℃ to 200℃.
Main Applications:
Various keypads for electronic & electric appliances, electrical insulation components, automotive accessories, industrial & civil seal rings, miscellaneous parts, general industrial & civil silicone rubber products, and translucent articles.
STANDARD SILICONE RUBBER FOR EXTRUSION
Characteristics:
Compliance with FDA, good processability and comprehensive physical properties, excellent yellowing resistance, excellent heat resistance at temperature of -50℃ to 200℃.
Main Applications:
All kinds of silicone rubber hoses, catheter, special-shaped rubber strips, foam rubber strips, general industrial and civil silicone rubber products and translucent products.
| Properties | Product Data | Test Method | ||||||
|---|---|---|---|---|---|---|---|---|
| NE-131 | NE-141 | NE-151 | NE-161 | NE-171 | NE-181 | NE-191 | ||
| Appearance | Milk-white, translucent, no obvious extraneous matter. | Visual Inspection | ||||||
| Density, g/cm3 | 1.07～ 1.11 | 1.10～ 1.14 | 1.13～ 1.17 | 1.16～ 1.20 | 1.19～ 1.23 | 1.20～ 1.24 | 1.22～ 1.26 | ASTM D792 |
| Hardness, Shore A | 30±2 | 40±2 | 50±2 | 60±2 | 70±2 | 80±2 | 86±2 | ASTM D2240 |
| Tensile Strength, MPa ≥ | 6.0 | 6.5 | 8.0 | 7.5 | 7.0 | 4.5 | ASTM D412 | |
| Elongation at Break, % ≥ | 600 | 420 | 350 | 300 | 220 | 180 | 80 | |
| Tension Set, % ≤ | 6 | 7 | 6 | 5 | 6 | |||
| Tear Strength, Die C kN/ ≥ | 15 | 19 | 22 | 20 | 18 | 10 | ASTM D624 | |
| Compression Set, 180℃*22h ≤ | 45 | 35 | 30 | 25 | ASTM D395 | |||
| Rebound Resilience, % ≥ | 60 | 55 | 50 | 45 | 40 | / |