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Centrifuge ampoule
Precipitation index for lubricating oils and black products
Centrifuge ampoule
ASTM D91
ASTM D893
ASTM D1796
ASTM D2273
ISO 3734
Pear-shaped or conical
Several sizes available
Standard test method for determining the precipitation index of lubricating oils and black products
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Summary
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ASTM D 91: an indispensable standard for oil precipitation
This test method covers the determination of the precipitation index of base oils and black oils in steam cylinders, and can be used for other lubricating oils.
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