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.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Abolish | ||
|---|---|---|---|
| CCS | ICS | ||
| Release Date | Implementation Date | ||







