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.