Polypropylene PP - Bases Resistance
Chemical resistance of PP - to some common acids, bases, organic substances and solvents
Most of our filter cartridges are made of PP, so the chemical resistance data should be almost the same with that of PP.
Bases
| Product | Rating 1) | |
| 20 oC | 60 oC | |
| Aqua ammonia | 1 | 1 |
| Calciumhydroxide | 1 | 1 |
| Potassiumhydroxide | 1 | 1 |
| Caustic soda | 1 | 1 |
| Acid salt 2) | 1 | 1 |
| Basic salt 3) | 1 | 1 |
| Neutral salt 4) | 1 | 1 |
| Various salt | ||
| Potassium bicarbonate | 1 | 2 |
| Potassium permanganate | 1 | 2 |
| Sodium cyanide | 1 | 1 |
| Natriumferricyanid | 1 | 2 |
| Sodium hypochlorite | 2 | 3 |
1.Excellent (no attack)
2.Good (no significant attack)
3.Acceptable (light attack, limited use)
4.Unacceptable (significant attack)
5.Inferior (possible cracking or dissolving)
2) Acid salt (normally aqueous) aluminum chloride,
aluminum phosphate, copper chloride, sulphate of copper,
ferrous sulphate, ferric chloride, stannic chloride,
chloride of zinc, white vitriol etc
3) Basic salt (normally aqueous) bicarbonate of
potassium, potash, sodium bicarbonate, sodium carbonate,
sodium phosphate etc.
4) Neutral salt (normally aqueous) calcium chloride,
calcium nitrate, calcium sulphate, magnesium chloride,
nitrate of potassium, potassium sulphate, sodium chloride,
sodium nitrate, sodium sulphate etc.
