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Products / Membranes

June Barn, June Lane, Midhurst, West Sussex GU29 9EL  *  Tel: 01730 812390  *  Tel/Fax: 01730 812885  *  Mobile: 07831446397


PRODUCT GROUP 1. MEMBRANES /
Chemical resistance tables PE-PVC and PP membrane

  concentration % ------------------ temperature 20oC ------------------ ------------------ temperature 60oC ------------------
    PVC PP PE PVC PP PE
Acetone 100 – + 0 – + –
Alum (in water)   + + + + + +
Ammonia 100 + + + 0 + +
Aniline 100 – + + 0 + +
Vinegar   + + + 0 + +
Acetic acid (in water) 25 + + + 0 + +
Benzene 100 – 0 0 – – –
Petrol 100 100 – 0 0 – –
Beer   – 0 0 –    
Liquid bleach   + + 0 0   0
Bromine 100 – – – –    
Butane (gaseous) 50 + + +      
Chlorine (gaseous) 100 0 0 0      
Hydrogen chloride saturated*** 0   0      
Chloroform 100 – 0 0      
Chromic acid (in water) 50 + 0 + 0   0
Citric acid (in water) 10 + + + 0 + +
Grape sugar (in water) saturated*** + + + 0 + +
Ethyl alcohol (in water) 96 + + +      
Hydrogen fluoride (in water) 40 + + + 0 + +
Phosphoric acid 30 + + + 0 + 0
Phosphoric acid 85 + + + + + 0
Photo developer norm.       + + +
Glucose (in water) saturated*** + + + 0 + +
Glycerine (in water)   + + + + + +
Iodine (tincture) norm. – + + –   0
Potassium chloride (in water)   + + + 0 + +
Carbon dioxide (dry)         + + +
Carbon dioxide (moist)   + + + 0 + +
Fertilizer salts (in water) to 10 + + + 0 + +
Magnesium chloride (in water)   + + + 0 + +
Melasse norm. + + + 0 + +
Lactic acid 10 + + + 0 + +
Lactic acid 90       – + +
Methyl alcohol 100 + + + 0 + +
Formic acid 100 + + + – 0 +
Sodium chloride (salt) saturated*** + + + + + +
Sodium bicarbonate(soda) saturated*** + + + 0 + +
Caustic soda (in water) 40 + + + 0 + +
Mineral oils 100 + + + + 0  
Animal and vegetable oils 100 + + + + 0 0
Propane (gaseous) 100 + + 0      
Propane (liquid) 100 + + –      
Nitrous acid (in water) 50 + 0 0 + – –
Turpentine 100 + – + + – –
Carbon tetrachloride 100 0 – – – – –
Trichloroethylene 100 – 0 –      
Distilled water 100 + + + 0 + +
Hydrogen peroxide 30 + + + +   +
Silver nitrate (in water) 8 + + + 0 + +
Hydrochloric acid to 30 + + + 0 + +
Hydrochloric acid over + + + + + 0
Sulphuric acid to 40 + + + 0 + +
Sulphuric acid over + + 0 + + 0
               
+ = no effect 0 = light effect – = effect
               
The tables above are only intended as a guide to a choice of materials.
We therefore will not accept any claims etc. resulting from stress corrosion.