Fuel and Lubricant Testing

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MIL-PRF-87257B - Aircraft and Missile Low Temperature Synthetic Hydrocarbon Base Fire Resistant Hydraulic Fluid

We perform lubricants testing by military specification MIL-PRF-87257, which covers a synthetic hydrocarbon base hydraulic fluid used in aircraft automatic pilots and other hydraulic systems. This military specification describes the characteristics and provides the requirements for a synthetic hydrocarbon base hydraulic fluid used in the -54C to +200C temperature range in aircraft automatic pilots, shock absorbers, brakes, flap-control mechanisms, missile hydraulic servo-controlled systems, and other hydraulic systems using synthetic sealing material. This hydraulic fluid is identified by NATO Code No. H-538.

To read or download this specification, click HERE. This specification supersedes military specification MIL-H-87257.

The following is a list of tests required by Specification MIL-PRF-87257B. Some of these tests are customized for this exact specification. Alcor Petrolab and Phoenix Chemical Laboratory specialize in unusual and custom testing, and our testing capabilities are continuing to expand; contact one of our laboratories today to discuss the exact testing you need. To see more information about one of these tests, click on the test method number.