DI Water Compatibility Chart

Common Industrial Materials and their compatibility with deionized water

Material Compatibility
304 stainless steel A1-Excellent
316 stainless steel A2-Excellent
ABS plastic N/A
Acetal (Delrinr) N/A
Aluminum A2-Excellent
Brass A-Excellent
Bronze N/A
Buna N (Nitrile) A1-Excellent
Carbon graphite A2-Excellent
Carbon Steel D-Severe Effect
Carpenter 20 N/A
Cast iron/Galvanized Iron/Ductile/Black Iron Pipe D-Severe Effect
Ceramic Al203 B-Good
Ceramic magnet N/A
ChemRaz (FFKM) D-Severe Effect
Copper D-Severe Effect
CPVC A-Excellent
EPDM A1-Excellent
Epoxy A2-Excellent
Fluorocarbon (FKM) A-Excellent
Hastelloy-Cr A2-Excellent
Hypalonr A2-Excellent
Hytrelr N/A
Kalrez N/A
Kel-Fr A1-Excellent
Natural rubber A-Excellent
Neoprene A-Excellent
NORYL A2-Excellent
Nylon A1-Excellent
Polycarbonate N/A
Polyetherether Ketone (PEEK) N/A
Polypropylene A2-Excellent
Polyurethane N/A
PPS (Ryton®) A-Excellent
PTFE A2-Excellent
PVC A2-Excellent
PVDF (Kynar®) A2-Excellent
Silicone N/A
Titanium A2-Excellent
Tygonr A2-Excellent
Vitonr A1-Excellent

Ratings  –  Chemical Effect

A = Excellent
B = Good

Minor Effect, slight corrosion or discoloration
C = Fair

Moderate Effect, not recommended for continuous use. Softening, loss of strength, swelling may occur

D = Severe Effect, not recommended for ANY use.

N/A = Information Not Available.

Explanation of Superscript
1. Satisfactory to 72°F (22° C)
2. Satisfactory to 120°F (48° C)

4:00 pm | by Greg Reyneke

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