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BS ISO 16152:2005

BS ISO 16152:2005

$102.76

Plastics. Determination of xylene-soluble matter in polypropylene

Published By Publication Date Number of Pages
BSI 2005 16
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1.1 This International Standard specifies a method for determining the mass fraction of a polypropylene homopolymer or copolymer which is soluble in xylene at 25 Ā°C.

1.2 A weighed amount of dried sample is dissolved in xylene under reflux conditions, then cooled under controlled conditions and maintained at 25 Ā°C to ensure controlled crystallization of the insoluble fraction.

1.3 The xylene-soluble fraction is then recovered by evaporation of the xylene and determined by weighing the residue.

1.4 Other materials with solubilities similar to that of the xylene-soluble fraction, such as additives, may interfere with the determination.

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BS ISO 16152:2005
$102.76