标准编号：ISO 48-6:2018
中文名称：硫化或热塑性橡胶 硬度的测定 第6部分：用IRHD法对胶布辊的表观硬度
英文名称：Rubber, vulcanized or thermoplastic — Determination of hardness — Part 6: Apparent hardness of rubber-covered rollers by IRHD method
发布日期：2018-08
标准范围
This document specifies a method for the determination of the apparent hardness, expressed in International Rubber Hardness Degrees (IRHD), of vulcanized- or thermoplastic-rubber roller covers.
The method is similar in principle to the methods used for the determination of the hardness of rubber in ISO 48-2 in that it consists essentially of measuring the depth of penetration of a spherical indentor operating under a specified force. The apparatus used is similar to that described in ISO 48-2, having a base specifically designed for application to roller covers and similar curved surfaces.
NOTE With some rollers, there can be significant variation in the thickness of the rubber over the surface of the roller, which could affect the measured apparent hardness.
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