SYNTHETIC CHEMICAL VINA
Expert in glue and dispensing solutions
Expert in glue and dispensing solutions
1521 is two-component, room temperature cure silicone system. It has very low ionics and can be used for electronic component applications and electronics potting. Applications include appliance sealing, connector sealing, and junction box potting.
UNCURED PROPERTIES
| Chemical type | Silicone |
| Color(Mixed) | White |
| Mixed Rate(weight) | 6: 1 |
| Mixed Rate(volume) | 4: 1 |
| Viscosity of part A (mPa·s) | 7000 |
| Viscosity of part B (mPa·s ) | 25 |
| Specific Gravity of part A (g/cm3) | 1.47 |
| Specific Gravity of part B (g/cm3) | 0.99 |
| Specific Gravity after mixed(g/cm3) | 1.40 |
| Pot Life( min) | 8 |
| Gel Time( min) | 60 |
CURED PROPERTIES
Measured on cured sheets ~2mm. Cured @ (23±2)℃, (50±5)%RH for 7 days, tested at (23±2)℃.
| Operating Temperature Range(℃) | –50～150 |
| Tensile strength(MPa) (ISO37，GB/528) | 1.2 |
| Hardness (ShoreA) (ISO7619，GB/T531) | 40 |
| Elongation at break (%)(ISO37，GB/528) | 110 |
| Thermal Conductive(W/m.℃) （ASTM E1461） | 0.3 |
| Volume Resistivity(Ω.cm） (IEC60093，GB/T1692) | 1.0×10^15 |
| Breakdown tension（kv/mm） (IEC 60243-1，GB/T1695) | 23 |
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