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Chemical Compatibility: Silicone MQ/VMQ
Pyridine Oil to Pyrosulfuric Acid
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 | Pyridine Oil | E0540-80 | D-Not Recommended | D | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Pyridine Sulfate | E0540-80 | B-Good | B | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Pyridine Sulfonic Acid | E0540-80 | B-Good | B | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Pyrogallol (Pyrogallic Acid) | V1164-75 | X-Insufficient Data | X | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Pyrogard 42, 43, 55 | E0540-80 | X-Insufficient Data | X | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Pyrogard 53, Mobil Phosphate Ester | E0540-80 | D-Not Recommended | D | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Pyrogard D, Mobil Water-in-Oil Emulsion | N0674-70 | C-Fair | C | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Pyroligneous Acid | E0540-80 | X-Insufficient Data | X | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Pyrolube | V1164-75 | B-Good | B | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Pyrosulfuric Acid | E0540-80 | B-Good | B | 232 | 450 | -115 | -175 |
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