ISO 14848:1998

Current Revision
Plastics - Unsaturated-polyester resins - Determination of reactivity at 130 degrees C

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Plastics - Unsaturated-polyester resins - Determination of reactivity at 130 degrees C

This International Standard specifies a method of measuring

  • the time required for the temperature of a solution of unsaturated-polyester resin and a catalyst, heated in a thermostatically controlled bath at 130 °C, to rise
  • from 80 °C to 140 °C,
  • from 80 °C to the maximum temperature reached;
    • the maximum temperature reached;
    • the speed of the reaction, determined by drawing a tangent at the point of inflection of the temperature/time curve.

It applies in particular to unsaturated-polyester resins processed at a temperature higher than 100 °C.

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