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Gasket chemical resistance guide

1. Acetaldehyde to Calcium Hypochlorite:
2. Calcium Sulphate to Ethylene Chloride:
3. Ethylene Glycol to Malic acid:
4. Methane to Potassium Carbonate:
5. Potassium Chlorate to Tannic Acid:
6. Tar to Xylene:

Key to Materials:
Nat = Natural : Sbr = SBR : Neo = Neoprene
Nit = Nitrile : But = Butyl : Epd = EPDM
Hyp = Hypalon : Sil = Silicone : Ptf = PTFE
Naf = Non-Asbestos : Grf = Graphite

Key to Compatibiliy:
A= OK : B = Limited Conditions
S = Some grades only : X = Not Suitable
 
 
5. Potassium Chlorate to Tannic Acid
  Nat Sbr Neo Nit Epd But Hyp Vit Sil Ptf Naf Grf
Potassium Chlorate A A A A A A A A A A S B
Potassium Dichromate B B B B B A A A A A S B
Potassium Hydroxide B B B B B A A B B A B A
Potassium Nitrate A A A A A A A A A A A B
Potassium Permanganate B B B B A A A A - A A B
Producer Gas B X B A X A A A B A A A
Propane X X A A X X A A X A S A
Pyridene X X X X B A - X X A X A
Sea Water A A A B A A A A A A A A
Silicone Oil B B A A A A A A B A A A
Skydrol X X X X B A X B B A A A
Sodium Carbonate A A A A A A A A A A A A
Sodium Chloride A A A A A A A A A A A A
Sodium Hydroxide B B B B B A B A B A B A
Sodium Sulphate A A A A A A A A A A A A
Steam Low Pressure X X B X A A X X X - A A
Steam High Pressure X X X X X X X X X - B A
Sulphuric Acid 30% X X X X B B B A X A X B
Sulphuric Acid 50% X X X X X B B B X A X B
Sulphuric Acid 96% X X X X X B B B X A X X
Suphurous Acid A B B A A A A A X A B A
Tannic Acid A B B B B B B A B A A A
    dots       dots475  
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