Chemical compatibility guide

Always make an immersion test before choosing a tube material for critical applications. Immerse a short length of the tubing (always available from Watson-Marlow Pumps or its distributors) in a closed container of the fluid for 48 hours, and then examine it for signs of attack, swelling, embrittlement or other deterioration.

Search for chemicals

Material

Rating

Aluminium C
Bioprene -
Buna N C
Cast iron -
EPDM C
Epoxy -
Fluorel -
Gore style 400 -
Hypalon (CSM) C
Marprene -
Mild steel C
Natural Rubber C
Neoprene -
Nitrile C
Petroproof C
Polyethylene A
Polypropylene C
PTFE A
Pumpsil and Pumpsil D -
PureWeld -
PVC -
PVDF -
Santoprene -
SS316 C
STA-PURE PCS -
STAPURE PFL -
Viton -

Rating legend

  • A Little to minor effect 0-5% volume swell
  • B Moderate effect 5% - 10% volume swell
  • C Severe effect 10% or greater volume swell
  • - No data available