# Plastic pneumatic diaphragm valve corrosion performance table

Chemicals | Density | Temperature | PVDF | UPVC | CPVC | PTFE | FPM | EPDM |

Hydrogen chloride | 20 | A | A | A | A | A | A | |

40 | A | A | A | A | A | A | ||

60 | A | A | A | A | A | A | ||

80 | A | A | A | A | ||||

100 | A | A | A | |||||

Lead nitrate | Saturation | 20 | A | A | A | A | A | A |

40 | A | A | A | A | A | A | ||

60 | A | A | A | A | A | A | ||

80 | A | A | A | A | A | |||

100 | A | A | A | |||||

Lead sulfate | Pure | 20 | A | A | A | A | ||

40 | A | A | A | A | A | A | ||

60 | A | A | A | A | A | A | ||

80 | A | A | A | A | A | A | ||

100 | A | A | A | |||||

Lithium Bromide | 60 | 20 | A | A | A | A | ||

40 | A | A | A | A | ||||

60 | A | A | A | A | ||||

80 | A | A | A | |||||

100 | A | A | A | |||||

Magnesium Carbonate | 20 | A | A | A | A | A | A | |

40 | A | A | A | A | A | A | ||

60 | A | A | A | A | A | A | ||

80 | A | B | A | A | A | |||

100 | A | A | A | |||||

Magnesium Chloride | Saturation | 20 | A | A | A | A | A | A |

40 | A | A | A | A | A | A | ||

60 | A | B | A | A | A | A | ||

80 | A | A | A | A | A | |||

100 | A | A | B | B | ||||

Magnesium Citrate | 20 | A | A | A | A | A | A | |

40 | A | A | A | A | A | A | ||

60 | A | A | A | A | A | A | ||

80 | A | A | A | A | A | |||

100 | A | A | A | |||||

Magnesium hydroxide | Saturation | 20 | A | A | A | A | A | A |

40 | A | A | A | A | A | A | ||

60 | A | B | A | A | A | A | ||

80 | A | A | A | A | A | |||

100 | A | A | A | |||||

Magnesium Nitrate | 20 | A | A | A | A | A | A | |

40 | A | A | A | A | A | A | ||

60 | A | A | A | A | A | A | ||

80 | A | B | A | A | A | |||

100 | A | A | A | |||||

Mercury chloride | 20 | A | A | A | A | A | A | |

40 | A | A | A | A | A | A | ||

60 | A | A | A | A | A | A | ||

80 | A | A | ||||||

100 | A | A | ||||||

Magnesium hydroxide | Saturation | 20 | A | A | A | A | A | A |

40 | A | A | A | A | ||||

60 | A | A | A | A | ||||

80 | A | A | A | A | ||||

100 | A | A | ||||||

Mercury Nitrate | Saturation | 20 | A | A | A | A | ||

40 | A | A | ||||||

60 | A | A | ||||||

80 | A | A | ||||||

100 | A | A | ||||||

Mercury | 20 | A | A | A | A | A | A | |

40 | A | A | A | A | ||||

60 | A | A | A | A | ||||

80 | A | A | A | A | ||||

100 | A | A |

Chemicals | Density | Temperature | PVDF | UPVC | CPVC | PTFE | FPM | EPDM |

Methane | 20 | A | A | A | A | |||

40 | A | A | ||||||

60 | A | A | ||||||

80 | A | A | ||||||

100 | A | A | ||||||

Methanol | Pure | 20 | A | A | A | A | B | A |

40 | A | A | A | A | B | A | ||

60 | A | A | A | A | C | A | ||

80 | A | A | C | B | ||||

100 | B | A | C | |||||

Methyl chloride | 20 | A | A | × | B | |||

40 | A | A | ||||||

60 | A | A | ||||||

80 | A | A | ||||||

100 | A | A | ||||||

Chloroacetic acid | 50 | 20 | A | A | A | A | B | C |

40 | A | B | B | A | × | |||

60 | B | B | B | A | ||||

80 | B | A | ||||||

100 | C | A | ||||||

Chlorobenzene | 20 | A | A | A | × | |||

40 | A | A | ||||||

60 | B | A | ||||||

80 | B | A | ||||||

100 | C | A | ||||||

Nickelchloride | Saturation | 20 | A | A | A | A | A | A |

40 | A | A | A | A | A | A | ||

60 | A | A | A | A | A | A | ||

80 | A | A | A | A | A | |||

100 | A | B | A | A | B | |||

Nickel Nitrate | Saturation | 20 | A | A | A | A | ||

40 | A | A | A | A | ||||

60 | A | A | A | A | ||||

80 | A | A | A | A | ||||

100 | A | A | A | A | ||||

Nickel Sulfate | Saturation | 20 | A | A | A | A | A | A |

40 | A | A | A | A | A | A | ||

60 | A | A | A | A | A | A | ||

80 | A | B | A | A | A | |||

100 | A | B | A | B | B | |||

Nitric acid | 10 | 20 | A | A | A | A | A | A |

40 | A | A | A | A | A | A | ||

60 | A | A | A | A | A | B | ||

80 | A | × | A | A | A | × | ||

100 | A | B | A | A | ||||

Nitric acid | 30 | 20 | A | A | A | A | A | B |

40 | A | A | A | A | A | B | ||

60 | A | B | B | A | B | × | ||

80 | A | × | B | A | C | |||

100 | A | C | A | C | ||||

Nitric acid | 50 | 20 | A | A | A | A | A | × |

40 | A | B | B | A | B | |||

60 | A | B | C | A | C | |||

80 | A | × | × | A | × | |||

100 | A | × | A | |||||

Nitric acid | 70 | 20 | A | A | B | A | C | × |

40 | A | B | B | A | × | |||

60 | A | C | C | A | ||||

80 | A | × | × | A | ||||

100 | A | A | ||||||

Oleic acid | 20 | A | A | B | A | A | × | |

40 | A | A | B | A | A | |||

60 | A | B | B | A | A | |||

80 | A | A | A | |||||

100 | A | A | A |