At a glance

HDPE is the most economical tank material for Propylene Glycol, rated Excellent. Polypropylene and nylon are also rated Good or better. Rated Fair (contact us before use): PVC and CPVC fittings.

Excellent No or minor effect. Recommended.
Good Slight effect. Generally suitable.
Fair Moderate effect. Limited or conditional use — contact us.
Not Recommended Severe effect. Do not use.
No Data Not tested. Contact us before use.

Tank Resins

How Propylene Glycol works with the plastics used to make our storage tanks.

Material	Rating
HDPE	Excellent
Polypropylene	Excellent
Nylon	Excellent
PVDF (Kynar®)	No Data

Fittings

How Propylene Glycol works with the plastics used for tank fittings.

Material	Rating
HDPE	Excellent
PVC	Fair
CPVC	Fair
Polypropylene	Excellent
PVDF	No Data

Gaskets & O-Rings

How Propylene Glycol works with gasket and O-ring materials.

Material	Rating
Buna-N	Excellent
EPDM	Excellent
Viton®	Excellent

Metals

How Propylene Glycol works with the metals used for fittings and bolts.

Material	Rating
316 Stainless Steel	Good
Hastelloy	Good
Titanium	No Data
Aluminum	Good