Standard Test Method for
Precipitation Number of Lubricating Oils1,2
This widespread is issued below the fixed designation d 91; the number immediately following the designation shows the year of unique
adoption or, in the case of revision, the yr of remaining revision. a variety of in parentheses shows the 12 months of closing reapproval. a superscript
epsilon (e) suggests an article trade since the remaining revision or reapproval.
This widespread has been accepted for use by way of corporations of the department of protection.
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click here to download Astm D 88 – 94 (Reapproved 1999) pdf free