ASTM D1525
ASTM D1525- Standard Test Method for Vicat Softening Temperature of Plastics Description: Significance and Use 5.1 Data obtained by this test method is used to compare the heat-softening qualities of thermoplastic materials. 5.2 This test method is useful in the areas of quality control, development, and characterization of plastic materials. Scope 1.1 This test method covers determination of …