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Chemical Compatibility: Silicone MQ/VMQ
Freon, 404a to Freon, K-142b
Chemical compatibility ratings for elastomers and engineering materials exposed to various chemicals — resistance grades from A (excellent) to D (not recommended), plus X (insufficient data)
| material | chemical | parker compound code | rating | rating code | temp max C (degC) | temp max F (degF) | temp min C (degC) | temp min F (degF) |
|---|---|---|---|---|---|---|---|---|
| Silicone MQ/VMQ | Freon, 404a | C0873-70 | X-Insufficient Data | X | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Freon, 407c | C0873-70 | X-Insufficient Data | X | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Freon, 410a | C0873-70 | X-Insufficient Data | X | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Freon, 410c | C0873-70 | X-Insufficient Data | X | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Freon, 502 | C0873-70 | X-Insufficient Data | X | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Freon, 507 | C0873-70 | X-Insufficient Data | X | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Freon, BF (R112) | V1164-75 | D-Not Recommended | D | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Freon, C316 | N0674-70 | X-Insufficient Data | X | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Freon, C318 | C0873-70 | X-Insufficient Data | X | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Freon, K-142b | C0873-70 | X-Insufficient Data | X | 232 | 450 | -115 | -175 |
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