At a glance

Polypropylene is the most economical tank material for Sodium Bisulfite, rated Excellent. PVDF (Kynar®) and HDPE are also rated Good or better. Rated Fair (contact us before use): nylon tanks.

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 Sodium Bisulfite works with the plastics used to make our storage tanks.

Material	Rating
HDPE	Good
Polypropylene	Excellent
Nylon	Fair
PVDF (Kynar®)	Excellent

Fittings

How Sodium Bisulfite works with the plastics used for tank fittings.

Material	Rating
HDPE	Good
PVC	Excellent
CPVC	Excellent
Polypropylene	Excellent
PVDF	Excellent

Gaskets & O-Rings

How Sodium Bisulfite works with gasket and O-ring materials.

Material	Rating
Buna-N	Excellent
EPDM	Excellent
Viton®	Excellent

Metals

How Sodium Bisulfite works with the metals used for fittings and bolts.

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