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ASTM D4659-19 + Redline

ASTM D4659-19 + Redline

Standard Test Methods for Polyurethane Raw Materials: Determination of Specific Gravity of Isocyanates

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1.1 ,These test methods determine the specific gravity of toluenediisocyanate, polymeric (methylene phenylisocyanate), and liquid methylene di(phenylisocyanate). These test methods also are applicable to many other liquids. (See Note 1.)

1.1.1 ,Test Method A—,Specific gravity by pycnometer, for high-accuracy determination.

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