of interest. the specimen is heated at a specified rate, often ten degrees a minute, over the desired temperature range. a graph is produced. alternatively, a dilatometer can be used. the specimen is placed in the dilatometer at room temperature, and the height gauge is positioned and zeroed. the apparatus...
typically, flow rates for a part and the resin it is molded from are determined, then a percentage difference can be calculated. alternatively, comparisons between "good" parts and "bad" parts may be of value. test procedure: approximately grams of the material is loaded into the barrel of the melt flow apparatus...
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