Research Report RR:D20-1257

    An interlaboratory study was conducted by six laboratories testing four different polyurethane materials to establish precision statements for D4890. Every "test result" represents an individual determination. Each laboratory reported three replicate test results for each material.

    Published: April 2013

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    Related Standards

    D4890-18 Standard Test Methods for Polyurethane Raw Materials: Determination of Gardner and APHA Color of Polyols

    Committee D20 on Plastics

    Subcommittee D20.22 on Cellular Materials - Plastics and Elastomers