GB/T 6031-1998
Rubber, Vulcanized or thermoplastic--Determination of hardness (hardness between 10 IRHD and 100IRHD) (English Version)

Standard No.

GB/T 6031-1998

Language

Chinese, Available in English version

Release Date

1998

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2017-11

Replace By

GB/T 6031-2017

Latest

GB/T 6031-2017

Scope

This standard specifies four methods for determining the international hardness of vulcanized rubber or thermoplastic rubber with a flat surface and two parallel surfaces: Method N Conventional test method H High hardness test method L Low hardness test method M Micro test For the determination of the apparent hardness of curved surfaces Four methods using methods N, H, L and M are specified, respectively methods CN, CH, CL and CM.

GB/T 6031-1998 history

• 2017 GB/T 6031-2017 Rubber, vulcanized or thermoplastic—Determination of hardness (hardness between 10 IRHD and 100 IRHD)
• 1998 GB/T 6031-1998 Rubber, Vulcanized or thermoplastic--Determination of hardness (hardness between 10 IRHD and 100IRHD)
• 1985 GB 6032-1985 Determination of international hardness of vulcanized rubber (30 ~ 85IRHD) micro test method