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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
 
 
4. Methane to Potassium Carbonate
  Nat Sbr Neo Nit Epd But Hyp Vit Sil Ptf Naf Grf
Methane X X B A X X B A X - S A
Methyl Alcohol A A A A A A A B A A A A
Methyl Chloride X X X X B B X B X A B A
Metylene Chloride X X X X X X X B X A X A
Methyl Ethyl Ketone X X X X A B X X X A B A
Motor Oil X X A A X X X A B A S A
Naptha X X X B X B B A X A S A
Natural Gas B B A A B B A A A A A A
Nitric Acid Dilute X X B X B A A X B A S X
Nitrobenzene X X X X X X X X X A X A
Nitrogen A A A A A A A A A A A A
Octane X X A A X X A A X A S A
Oxalic Acid B B B B B A A B B A B A
Oxygen - Cold (Care!) B B A B A A A A A A S B
Palmitic Acid B B A A B B B A X A A A
Paraffin / Kerosene X X B A X X B A X A A A
Pentane X X B A X X B A X A S A
Perchlorethylene X X X X X X X A B A B A
Petrol X X B A X X X A B A B A
Phenol B B B B B B B B X A X A
Phosphoric Acid B B B B A A A A B A B A
Potassium Carbonate A A A A A A A A A A S A
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