Norm

NEN-ISO 16152:2005 en

Kunststoffen - Bepaling van de xyleen-oplosbare hoeveelheid in polypropyleen

48,19

Over deze norm

Status Definitief
Aantal pagina's 7
Commissie Kunststoffen
Gepubliceerd op 01-08-2005
Taal Engels
This International Standard specifies a method for determining the mass fraction of a polypropylene homopolymer or copolymer which is soluble in xylene at 25 °C. A weighed amount of dried sample is dissolved in xylene under reflux conditions, then cooled under controlled conditions and maintained at 25 °C to ensure controlled crystallization of the insoluble fraction. The xylene-soluble fraction is then recovered by evaporation of the xylene and determined by weighing the residue. Other materials with solubilities similar to that of the xylene-soluble fraction, such as additives, may interfere with the determination.

Details

ICS-code 83.080.01
Nederlandse titel Kunststoffen - Bepaling van de xyleen-oplosbare hoeveelheid in polypropyleen
Engelse titel Plastics - Determination of xylene-soluble matter in polypropylene

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