Research Report Approved: Jun 01, 2005
RR:D20-1244

D7253-Test Method for Polyurethane Raw Materials: Determination of Acidity as Acid Number for Polyether Polyols

An interlaboratory test was conducted by seven laboratories testing four samples to establish a precision statement for test method D7253. Each laboratory used a colorimetric endpoint titration for the generation of the data used to develop the statement.
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Developed by Subcommittee: D20.22
Stock # : RR-D20-1244
Standard: D7253