MIL-PRF-32033 §18.104.22.168.1 - Removability - After Rust Protection Test
We perform lubricating oil testing by military specification MIL-PRF-32033, which includes testing the lubricating oil’s removability from metal surfaces. This test is performed after the lubricating oil passes ASTM D1748 - Rust Protection. The oil-coated copper test panels used in ASTM D1748 are rinsed in two separate solvents to determine whether the oil leaves any visual evidence of oil residue, stain or discoloration on metals. MIL-PRF-32033 - Lubricating Oil Specification covers the requirements for a general purpose preservative lubricating oil.
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