GB/T 531-1999 《Rubber-Determination of indentation hardness by means of pocket hardness meters》 Related products

GB/T 531-1999 "Rubber pocket hardness gauge press-in Hardness Test Method" stipulates the test method for measuring rubber press-in Hardness using pocket hardness gauge. The standard covers the test principle, instrument requirements, sample preparation, test steps and result calculation, etc., providing a standardized process for accurate measurement of rubber Hardness. It has important guiding significance for Rubber quality control, performance testing and R & D and application, and helps to ensure the conformity and Stability of rubber product mass.