By fluid
Aggressive Chemicals
Acids · Alkalis · PVDF or PP inserts recommended
Temperature−20 / +60 °C
Max. pressure10 bar
Standards3
Material compatibility
| PPPolypropylene−20/+100 °C | PAPolyamide 6/66−40/+120 °C | NBRNitrile Rubber−40/+100 °C | PVDFPVDF (Kynar®)−40/+150 °C | MetalMetal (Al/Steel)−196/+425 °C | |
|---|---|---|---|---|---|
| Aggressive chemicals — acide.g. 10 % HCl, dilute sulphuric acid | B | D | C | A | D |
| ⚠ PA and uncoated carbon steel / aluminium are attacked by dilute acids. PVDF is the preferred polymer insert for acid environments. | |||||
| Caustic alkalie.g. 10 % NaOH, caustic soda | A | B | B | B | D |
| ⚠ Aluminium dissolves in NaOH at any concentration. Carbon steel also corrodes rapidly. Use polymer inserts (PP preferred). | |||||
A — ExcellentB — GoodC — LimitedD — Not recommended
Full compatibility matrix Fluid variants
Dilute acids
10 % HCl, dilute H₂SO₄, pH < 4
PVDF is preferred insert
Caustic alkalis
10 % NaOH, caustic soda
PP preferred; metal rating D
Solvents / mixed
Consult compatibility table
Check specific chemical
Applicable standards
REACH EC 1907/2006Registration, Evaluation, Authorisation of ChemicalsEN 13480Metallic industrial piping — chemical requirementsISO 14692Glass-reinforced plastic piping for chemical service