Lactic Acid & Polypropylene Compatibility | Polypropylene Storage Tanks

PVDF temperature limit: 150°F (65°C). That is Arkema’s maximum use temperature for Kynar Flex® 2850 PVDF, the resin we mold, with Lactic Acid (Aqueous solution or pure). Arkema’s limits are for solid resin at atmospheric pressure and do not account for mixtures. Source: Arkema Kynar® PVDF chemical resistance chart. Confirm your application with Bailiff before ordering.

At a glance

HDPE is the most economical tank material for Lactic Acid, rated Excellent. Polypropylene, nylon and PVDF (Kynar®) are also rated Good or better.

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 Lactic Acid works with the plastics used to make our storage tanks.

Material	Relative cost	Rating
HDPE	$	Excellent
Polypropylene	$$	Good
Nylon	$$$	Good
PVDF (Kynar®)	$$$$	Good

Fittings

How Lactic Acid works with the plastics used for tank fittings.

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

Gaskets & O-Rings

How Lactic Acid works with gasket and O-ring materials.

Material	Rating
Buna-N	Excellent
EPDM	Excellent
Viton®	Excellent

Metals

How Lactic Acid works with the metals used for fittings and bolts.

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

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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.

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Tell Us What You’re Storing

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

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