DS DS/EN ISO 8987
DS DSEN SO 8987 2005-OCT-18 Plastcs - Phenolc resns - Determnaton of reactvty on a B-transformaton test plate SO 89872005
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This standard specifies methods for the determination of the B-transformation time of phenolic resins at a specified temperature and under specified conditions on a heated test plate.
Two methods are described, each with a different test plate:
Method A - plate with depressions in the form of segments of spheres;
Method B - flat plate without depressions.