Economic High tear strength Fumed Silicone Rubber for Molding
Characteristics:
- Compliance with FDA
- Good transparency and mechanical properties
- Good yellowing resistance and stable processability
Main Applications:
- They are applicable to molding process and can be used to manufacture silicone rubber products requiring high tear strength.
TYPICAL DATA:
| Properties | Product Data | Test Method | |||||
|---|---|---|---|---|---|---|---|
| NE-9730 | NE-9740 | NE-9750 | NE-9760 | NE-9770 | |||
| Appearance | Transparent, no extraneous matter. | Visual Inspection | |||||
| Density, g/cm3 | 1.06～ 1.10 | 1.09～ 1.15 | 1.12～ 1.18 | 1.14～ 1.20 | 1.17～ 1.23 | ASTM D792 | |
| Curing | Hardness, Shore A | 30±2 | 40±2 | 50±2 | 60±2 | 70±2 | ASTM D2240 |
| Tensile Strength, MPa ≥ | 8.0 | 8.5 | ASTM D412 | ||||
| Elongation at Break, % ≥ | 600 | 500 | 400 | 300 | |||
| Tension Set, % ≤ | 8 | ||||||
| Tear Strength , Die C kN/m ≥ | 18 | 30 | 35 | ASTM D624 | |||
| Post- curing | Hardness, Shore A | 33±2 | 45±2 | 55±2 | 65±2 | 75±2 | ASTM D2240 |
| Tensile Strength, MPa ≥ | 6.0 | 7.5 | 8.0 | ASTM D412 | |||
| Elongation at Break, % ≥ | 540 | 450 | 350 | 300 | 250 | ||
| Tear Strength, Die C kN/m ≥ | 10 | 18 | 20 | ASTM D624 | |||
| Rebound Resilience, % ≥ | 50 | 45 | 40 | / | |||
| Volume Resistivity, Ω ▪cm ≥ | 1×10 15 | IEC 60093 | |||||
| Dielectric Strength, kV/mm ≥ | 20 | IEC 60243 |
Physical data in the above table is for reference only.