Standard No.:	GB/T 39693.6-2020
English Name:	Rubber,vulcanized or thermoplastic—Determination of hardness—Part 6:Apparent hardness of rubber-covered rollers by IRHD method
Chinese Name:	硫化橡胶或热塑性橡胶 硬度的测定 第6部分：IRHD法测定胶辊的表观硬度
Chinese Classification:	G47    Other rubber products
Professional Classification:	GB    National Standard
ICS Classification:	83.140.99 83.140.99    Other rubber and plastics products 83.140.99
Issued by:	SAMR; SAC
Issued on:	2020-12-14
Implemented on:	2021-11-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	3500 words
Price(USD):	100.00
Delivery:	via email in 1~3 business day

本部分规定了胶辊表观硬度（以国际橡胶硬度表示）的测定方法。
该方法原理上与ISO 48-2中测定橡胶硬度的方法相似，它本质上也是由测量在规定力下球形压头所造成的凹痕深度所构成。所用仪器类似于ISO 48-2中所述的仪器，具有专门设计用于辊面和类似曲面的底座。