Economic Fumed Silicone Rubber for Molding
Characteristics:
- Compliance with FDA
- Good transparency and mechanical properties
- Good yellowing resistance and stable processability
Main Applications:
- Molded products with high requirement for transparency
Typical Data:
| Properties | Product Data | Test Method | |||||||
|---|---|---|---|---|---|---|---|---|---|
| NE-9530 | NE-9540 | NE-9550 | NE-9560 | NE-9570 | NE-9580 | NE-9590 | |||
| 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 | 1.18～ 1.25 | 1.19～ 1.26 | ASTM D792 | |
| Curing | Hardness, Shore A | 30±2 | 40±2 | 50±2 | 60±2 | 70±2 | 80±2 | 86±2 | ASTM D2240 |
| Tensile Strength, MPa ≥ | 8.0 | 8.5 | 8.0 | 6.0 | ASTM D412 | ||||
| Elongation at Break, % ≥ | 600 | 500 | 400 | 300 | 200 | 120 | |||
| Tension Set, % ≤ | 8 | 6 | |||||||
| Tear Strength , Die C kN/m ≥ | 15 | 20 | 25 | 20 | 10 | ASTM D624 | |||
| Post- curing | Hardness, Shore A | 32±2 | 44±2 | 55±2 | 66±2 | 74±2 | 84±2 | / | ASTM D2240 |
| Tensile Strength, MPa ≥ | 6.5 | 7.0 | 8.0 | 7.0 | / | ASTM D412 | |||
| Elongation at Break, % ≥ | 500 | 400 | 300 | 200 | 150 | / | |||
| Tear Strength, Die C kN/m ≥ | 10 | 16 | 18 | 16 | / | ASTM D624 | |||
| Compression Set, 180℃*22h ≤ | 58 | 50 | 48 | 45 | 35 | ASTM D395 | |||
| Rebound Resilience，% ≥ | 50 | 45 | 40 | 35 | / | ||||
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
