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Skydrol Lubricants

Skydrol is backed by reconized experts in the phosphate ester technology, Skydrol was the first fire-resistant hydraulic fluid in the industry,  and today it remains one of the most advanced aviation fluids. With Skydrol you get a proven product.

Skydrol 500B-4 boasts the longest service history in phosphate ester products, and it is the only commercially available standard-density aviation hydraulic fluid. 500B-4 also offers improved erosion resistance, as it contains the same anti-erosion additive and acid scavenger as LD-4.

Skydrol Lubricants