Rubber,vulcanized or thermoplastic—Determination of indentation hardness—Part 2:IRHD pocket meter method
IDT ISO 7619-2:2004
全国橡胶与橡胶制品标准化技术委员会通用试验方法分技术委员会(SAC/TC 35/SC 2)
GB/T 531的本部分规定了利用便携式橡胶国际硬度计测量硫化或热塑性橡胶压入硬度的方法。此类硬度计的使用主要是为了控制产品质量，把便携式硬度计固定于支架可提高其测量精度。
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