Chemical resistance table for polypropylene
Chemical or Product
Concentration
Temperature ° C
20
60
100
Potassium bicarbonate Potassium borate Potassium bromate Potassium bromide Potassium carbonate Potassium chlorate Potassium chlorite Potassium chromate Potassium cyanide Potassium dichromate Potassium ferricyanide Potassium fluoride Potassium hydroxide Potassium iodide Potassium nitrate Potassium perchlorate Potassium permanganate Potassium persulphate
Sat. sol Sat. sol
S S S S S S S S S S S S S S S S S S S S S L S S S S S S S S S S S S S S S S S S S S S S S S
S S S S S S S S
S
- -
Up to 10 %
Sat. sol Sat. sol Sat. sol Sat. sol Sat. sol
Sol
-
Sat. sol Sat. sol Sat. sol
S S S S
S
- -
Up to 50 %
S
Sat. sol Sat. sol
-
- - - - - - - - -
S S
10 %
(2N) 30 %
-
Sat. sol Sat. sol 100 % > 50 %
S S
Potassium sulphate
Propane, gas Propionic acid
- - -
Pyridine
100 %
Seawater Silicon oil
S S S S L S S S S L L S S S
S S L S
Silver nitrate Sodium acetate
Sat. sol Sat. sol
Sodium benzoate Sodium bicarbonate Sodium carbonate Sodium chlorate Sodium chloride Sodium chlorite Sodium chlorite Sodium dichromate
35 %
-
Sat. sol
S L
Up to 50 %
Sat. sol Sat. sol
- -
2 %
NS NS
20 %
Sat. sol Sat. sol Sat. sol Sat. sol
S S
Sodium hydrogen carbonate Sodium hydrogen sulphate Sodium hydrogen sulphite
- -
-
Sodium hydroxide Sodium hydroxide
1%
S S
S S
From 10 to 60 %
Sodium hydrogen sulphite Sodium hydroxide Sodium hydroxide Sodium hypochlorite Sodium hypochlorite Sodium hypochlorite Sodium metaphosphate
Sat. sol
-
-
1%
S S S
S S
From 10 to 60 %
5%
- - -
10% - 15%
-
20%
L
Sol
-
- Table 3.4
14
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