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Chemical Compatibility: Silicone MQ/VMQ
Potassium Pyrosulfate to Potassium Tartrate
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 | Potassium Pyrosulfate | E0540-80 | B-Good | B | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Potassium Salts | N0674-70 | A-Excellent | A | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Potassium Silicate | V3819-75 | X-Insufficient Data | X | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Potassium Sodium Tartrate | E0540-80 | B-Good | B | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Potassium Stannate | E0540-80 | B-Good | B | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Potassium Stearate | E0540-80 | B-Good | B | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Potassium Sulfate | N0674-70 | A-Excellent | A | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Potassium Sulfide | E0540-80 | B-Good | B | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Potassium Sulfite | N0674-70 | A-Excellent | A | 232 | 450 | -115 | -175 |
| Silicone MQ/VMQ | Potassium Tartrate | E0540-80 | B-Good | B | 232 | 450 | -115 | -175 |
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