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ISO 2535:2001
Plastics -- Unsaturated-polyester resins -- Measurement of gel time at ambient temperature
This International Standard specifies methods of measuring, under defined conditions, the gel time at ambient temperature (i.e. within the range 18 °C to 30 °C) of unsaturated-polyester resins.
The referee temperature, if needed, is 25 °C.
International Organization for Standardization [iso]