GB/T 531.2-2009 Replaced National standards

GB/T 531.2-2009 Rubber,vulcanized or thermoplastic—Determination of indentation hardness—Part 2:IRHD pocket meter method

GB/T 531.2-2009 Rubber,vulcanized or thermoplastic—Determination of indentation hardness—Part 2:IRHD pocket meter method

Publish Date: 2009-04-24 Implement Date: 2009-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 531.2-2009

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Rubber products and their auxiliary materials

ICS Name: Rubber

Publish Date: 2009-04-24

Implement Date: 2009-12-01

Pages: 8 pages

Scope

This part of GB/T 531 specifies the method of measuring the compression hardness of vulcanized or thermoplastic rubber using a portable rubber international hardness tester. The use of such hardness testers is mainly for controlling product quality. Fixing the portable hardness tester on a stand can improve its measurement accuracy.

Development Information

Word Count: 10 Thousand words Pages: 8 pages

Replace the following standards

GB/T 531-1999 Rubber—Determination of indentation hardness by means of pocket hardness meters

Superseded by the following standards

GB/T 39693.5-2025 Rubber, vulcanized or thermoplastic—Determination of hardness—Part 5:Indentation hardness by IRHD pocket meter method

Referenced Standards

GB/T 2941-2006 Rubber—General procedures for preparing and conditioning test pieces for physical test methods GB/T 6031-1998 Rubber,vulcanized or thermoplastic—Determination of hardness (hardness between 10 IRHD and 100IRHD) GB/T 6031-2017 Rubber,vulcanized or thermoplastic—Determination of hardness(hardness between 10 IRHD and 100 IRHD) GB/T 2941-2025 Rubber—General procedures for preparing and conditioning test pieces for physical test methods

Adopt standards

ISO 7619-2:2004

Related Standards

GB/T 1685-1982 Replaced

GB/T 1685-1982 Rubber, vulcanized—Determination of stress relaxation in compression at normal and at elevated temperature

Publish Date: 1982-03-12

GB/T 3515-1983 Replaced

GB/T 3515-1983 Rubber, vulcanized—determination of carbon black content—pyrolytic method

Publish Date: 1983-03-03

GB/T 4497-1984 Replaced

GB/T 4497-1984 Vulcanized rubber—Determination of total sulphur content—Oxygen combustion flask method

Publish Date: 1984-06-17

GB/T 6030-1985 Replaced

GB/T 6030-1985 Vulcanized rubber—Determination of carbon black dispersion—Micrographic method

Publish Date: 1985-05-24

GB 5577-1985 Replaced

GB 5577-1985 Codification of types for synthetic rubbers

Publish Date: 1985-10-26

GB/T 1688-1986 Replaced

GB/T 1688-1986 Rubber, vulcanized—Determination of tension fatigue

Publish Date: 1986-11-24