Polypropylene tanks by Bailiff Enterprises · Willis, Texas936-228-1520
70% HYDROFLUORIC ACID is a clear, colorless, corrosive fuming liquid with a sharp, pungent odor. It is 100% soluble in water and is not flammable.
The 70% solution is highly hazardous and needs to be handled and used with rigorous safety precautions. Both liquid and vapor can cause severe burns to all parts of the body. Specialized medical treatment is required for any exposure to this or any grade of HF.
The specific gravity at 70F. is 1.225. Hydrofluoric acid fumes at low temperatures. best practices would be to have a bolted, sealed manway and to vent into a scrubber.
PVDF (Kynar®) is the most economical tank material for Hydrofluoric Acid (Hf) 70%, rated Excellent. HDPE is also rated Good or better. Avoid nylon tanks; Buna-N gaskets; 316 stainless steel and aluminum hardware. Rated Fair (contact us before use): polypropylene tanks; PVC, CPVC and polypropylene fittings; EPDM gaskets.
How Hydrofluoric Acid (Hf) 70% works with the plastics used to make our storage tanks.
| Material | Relative cost | Rating |
|---|---|---|
| HDPE | $ | |
| Polypropylene | $$ | |
| Nylon | $$$ | |
| PVDF (Kynar®) | $$$$ |
How Hydrofluoric Acid (Hf) 70% works with the plastics used for tank fittings.
| Material | Rating |
|---|---|
| HDPE | |
| PVC | |
| CPVC | |
| Polypropylene | |
| PVDF |
How Hydrofluoric Acid (Hf) 70% works with gasket and O-ring materials.
| Material | Rating |
|---|---|
| Buna-N | |
| EPDM | |
| Viton® |
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.