APPENDIX E
Fluids and Materials Compatibility
Silicone
Ethylene
Synthetic
Loop*
Propylene
City
Oils
Glycol
Water
Water
Oils
Glycol
Butyl
No
Rubber
Yes
No
No
No
Yes
Bronze/Brass
Yes
Yes
Yes
Yes
Yes
Yes
Cast Iron
Yes
Yes
No
Yes
Yes
Yes
Copper
Yes
Yes
Yes
Yes
Yes
Yes
EPDM
No
Yes
No
Yes
Yes
Yes
Fluorosilicone
Yes
Yes
Yes
Yes
Yes
Yes
Galvanized
No
Yes
No
No
Yes
Yes
Hydrin
Yes
Yes
Yes
Yes
Yes
Yes
Pipe Dope**
Yes
Yes
No
No
No
No
Polypropylene
Yes
Yes
No
No
No
No
Steel
No
Yes
Yes
Yes
Yes
Yes
Stainless Steel
Yes
Yes
Yes
Yes
Yes
Yes
Teflon
Yes
Yes
Yes
Yes
Yes
No
Viton
Yes
Yes
Yes
Yes
Yes
Yes
* This is water trapped in a loop, replenished only occasionally with fresh water.
** This is standard pipe dope, not teflon-based.
E-1
APPENDIX E