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PHOSPHORIC ACID, 20% Chemical compatibility with O-rings, rubbers, & plastics

Phosphoric acid at 20% concentration is a less concentrated form used in various applications requiring milder acidity. It is utilized in food processing as a pH adjuster, in fertilizers, and in cleaning products. This concentration reduces the risk of severe burns compared to higher concentrations but still requires careful handling to avoid skin and eye irritation. Protective equipment such as gloves and safety glasses is recommended. Storage should be in corrosion-resistant containers, away from incompatible substances. Proper ventilation is necessary to prevent the buildup of fumes. In case of spills, neutralization and cleanup should be carried out promptly to minimize environmental and health risks. The 20% concentration offers a balance between effectiveness and safety, making it suitable for applications where a moderate acidic strength is required.

Need PHOSPHORIC ACID, 20% resistant plastics, O-rings, rubbers, and seals? Get in touch now!


Canyon Components strives to meet all customer service requests. If you need something that isn't listed below, feel free to contact a Canyon Components product and application consultant and let our knowledgeable staff help you design the perfect part for your needs.

Paint covered o-ring
MaterialPerformanceGet a quote
FFKM (CanRez™, Kalrez®, Chemraz®)Excellent: <15% SwellingGet a quote
FKM ETP (Viton® Extreme)Excellent: <15% SwellingGet a quote
FKM (Viton®)Excellent: <15% SwellingGet a quote
NBR (Buna-N, Nitrile)Not Recommended: Over 40% SwellingGet a quote
HNBR (Hydrogenated Nitrile)--- Insufficient Testing DataGet a quote
EPDM (Ethylene Propylene)Excellent: <15% SwellingGet a quote
Aflas® (TFE/P, FEPM)Excellent: <15% SwellingGet a quote
Silicone (VMQ, PVMQ)Poor: 25-40% SwellingGet a quote
Fluorosilicone (FVMQ)Acceptable: <15-25% SwellingGet a quote
Polyurethane (PU, AU)--- Insufficient Testing DataGet a quote
Teflon® (PTFE)--- Insufficient Testing DataGet a quote
Neoprene (Chloroprene)--- Insufficient Testing DataGet a quote
SBR (Styrene-Butadiene)--- Insufficient Testing DataGet a quote
ACM (Acrylic Rubber)--- Insufficient Testing DataGet a quote
Butyl (IIR, Isobutylene Isoprene)--- Insufficient Testing DataGet a quote
Butadiene Rubber (BR)--- Insufficient Testing DataGet a quote
Isoprene Rubber (Polyisoprene)--- Insufficient Testing DataGet a quote
Natural Rubber (NR)--- Insufficient Testing DataGet a quote
Hypalon (CSPE)--- Insufficient Testing DataGet a quote
Metal Piston

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