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The Silicone Precipitate Silica grade EXXWB series products
are general-purpose silicone rubber compound formulated to provide good result
when making molding parts. These materials are in black color.
The typical applications include rubber part for electronic industry
Typical properties:
| E50WB | E60WB | E70WB | |
| Appearance | Black | Black | Black |
| Specific gravity at 25℃ (g/cm3) | 1.15-1.20 | 1.18-1.24 | 1.20-1.26 |
| Hardness, shore A (ASTM D2240) | 48-54 | 58-64 | 67-73 |
| Tear strength (Die B) KN/M | 14min | 14min | 14min |
| Tensile strength MPa | 6min | 6min | 6min |
| Elongation % | 250min | 250min | 250min |
Cured Condition curing agent: C-5 1.0%(wt.)
Press cure: 171℃/10 min
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