JJG 666-1990 is China's national Measurement verification code, which stipulates the method of verification of the international hardness gauge of fixed-load rubber. It is suitable for newly manufactured and neutralized hardness gauges after repair, and the measurement range is 30-95IRHD, 85-100IRHD and 10-35IRHD. This code ensures the accuracy and conformity of the hardness gauge and is essential for mass inspection and arbitration verification of rubber products. Not applicable to miniature rubber hardness gauges.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active | ||
|---|---|---|---|
| CCS | (A53) 力学计量 | ICS | |
| Release Date | 1990-03-05 00:00:00 | Implementation Date | 1991-01-01 00:00:00 |