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.
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.
How Sodium Hypochlorite (<20%) works with the plastics used to make our storage tanks.
| Material | Relative cost | Rating |
|---|---|---|
| HDPE $ | $$$$ | A Excellent |
| Polypropylene $$ | $$$$ | A Excellent |
| Nylon $$$ | $$$$ | D Not Recommended |
| PVDF (Kynar®) $$$$ | $$$$ | A Excellent |
How Sodium Hypochlorite (<20%) works with the plastics used for tank fittings.
| Material | Rating |
|---|---|
| HDPE | A Excellent |
| PVC | A Excellent |
| CPVC | A Excellent |
| Polypropylene | A Excellent |
| PVDF | A Excellent |
How Sodium Hypochlorite (<20%) works with gasket and O-ring materials.
| Material | Rating |
|---|---|
| Buna-N | B Good |
| EPDM | B Good |
| Viton® | A Excellent |
How Sodium Hypochlorite (<20%) works with the metals used for fittings and bolts.
| Material | Rating |
|---|---|
| 316 Stainless Steel | C Fair |
| Hastelloy | A Excellent |
| Titanium | — No Data |
| Aluminum | — No Data |
Storing this chemical in polypropylene?
Polypropylene tanks from 25 to 6,000 gallons with polypropylene fittings installed. Confirm concentration and temperature with us before you order.
Send the chemical, concentration, temperature and size. We’ll match the tank and fittings and send a quote.