SODIUM HYPOCHLORITE (<20%) & Polypropylene Compatibility

Sodium Hypochlorite is a very common storage application. It is harmed by UV rays and by heat. The use of a light or white colored tank with opaque walls is recommended. PVC Fittings are good while PVDF fittings are more expensive but excellent. Viton gaskets are excellent.

At a glance

HDPE is the most economical tank material for Sodium Hypochlorite (<20%), rated Excellent. Polypropylene and PVDF (Kynar®) are also rated Good or better. Avoid nylon tanks. Rated Fair (contact us before use): 316 stainless steel hardware.

  • 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 Hypochlorite (<20%) works with the plastics used to make our storage tanks.

Material Relative cost Rating
HDPE $ Excellent
Polypropylene $$ Excellent
Nylon $$$ Not Recommended
PVDF (Kynar®) $$$$ Excellent

Fittings

How Sodium Hypochlorite (<20%) works with the plastics used for tank fittings.

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

Gaskets & O-Rings

How Sodium Hypochlorite (<20%) works with gasket and O-ring materials.

Material Rating
Buna-N Good
EPDM Good
Viton® Excellent

Metals

How Sodium Hypochlorite (<20%) works with the metals used for fittings and bolts.

Material Rating
316 Stainless Steel Fair
Hastelloy Excellent
Titanium No Data
Aluminum No Data

Request a Polypropylene Tank Quote

Storing this chemical in polypropylene?

Tanks & Fittings Built for It

Polypropylene tanks from 25 to 6,000 gallons with polypropylene fittings installed. Confirm concentration and temperature with us before you order.

Tell Us What You’re Storing

Send the chemical, concentration, temperature and size. We’ll match the tank and fittings and send a quote.