Appendix 3

Recommended Materials:

For containers or container linings: mild steel, stainless steel
For container paints: epoxy paint, zinc silicate paint

Non-metallic materials such as thermosets, thermoplastics and elastomers may be suitable for use as lining, gasket or seal depending on the material specification and intended use (fluid/service temperature). The material must be impermeable and must not be weakened or otherwise affected by the fluid.

Non-metallic materials resistant to ethylbenzene:

Thermosets: Epoxy, Epoxy-Novolac
Thermoplastics: PVDF, PTFE, PFA, ETFE (Tefzel®), ECTFE (Halar®)
Elastomers: FKM (Viton), FFKM (Kalrez®), FMVQ (Fluorosilicone)

Materials to Avoid:

Copper and copper alloys
Strong oxidizing agents

Non-metallic materials not resistant to ethylbenzene (not suitable for the storage / long term contact)

Thermosets: Vinyl Ester, Polyester
Thermoplastics: PVC, CPVC, PP, PE
Elastomers: Nitrile/Buna_N (NBR), Butyl (IIR), EPDM, Neoprene (CR)

Kalrez® is a registered trademark of DuPont Dow Elastomers.
Tefzel® is a registered trademark of the DuPont Company.
Halar® is a registered trademark of Ausimont USA, Inc.

CEFIC
Avenue E Van Nieuwenhuyse 4
B- 1160 Brussels

Patrick Detournay
T +32 2 676 72 05
E pdt@cefic.be