Barrier Fluid FDA® is a pure, non-reactive, synthetic fluid that provides superior lubrication and cooling for double and tandem mechanical seals.
Barrier Fluid FDA® provides very stable seal performance over an extremely wide temperature range, satisfying most seal service requirements. Barrier Fluid FDA® is extremely clean and has excellent low temperature fluidity and heat transfer properties.
Barrier Fluid FDA® is sanctioned under the FDA CFR Title 21 Sections 178.3620 (a) (b); 172.878; 175.105: 172.200 and 210: 177.2260, 2600 and 2800; 178.3570 and 3910. It is approved by the USDA for both H-1 and H-2 service. Barrier Fluid FDA® is essentially inert, allowing it to be used with most hydrocarbon gases and aqueous acids and bases.
Royal Purple® can design custom barrier fluids for customers who have special needs regarding solubility, reactivity, etc.
US 521 
CN 220 
MY 94 
AP 88 
AU 55 
AR 30 
SG 26 
GB 21 
