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Published:2014.11.20 News Sources:世博国际 万能试验机,硬度计,轮廓投影仪,影像测试仪,工具显微镜,测长仪 Views: | ||||||
Hardness is one of the most widely used to characterize the performance measurement for rubber properties. IRHD (international rubber hardness) hardness degree and shore hardness degree are widely used. Two kinds of hardness has several types IRHD micro hardness degree / static load hardness degree and shore A hardness scale in rubber is most commonly used, two methods are described in the international standard. Two kinds of test methods using completely different indenter geometries, force, test time and procedure for the IRHD test is usually non destructive, and because of this as the preferred method of finished product testing. The test takes 35 seconds. On the contrary, shore hardness rule is often destructive (will leave permanent indentation test), but only in 1 ~ 3 seconds. Most of the IRHD scale of hardness and shore hardness degree are two types of desktop and handheld. IRHD static load hardness and micro hardness of the corresponding relations between the. |
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