GB/T 1232.2-2025 Active National standards

GB/T 1232.2-2025 Rubber, unvulcanized—Determinations using a shearing-disc viscometer—Part 2:Determinations of pre-vulcanization characteristics

GB/T 1232.2-2025 Rubber, unvulcanized—Determinations using a shearing-disc viscometer—Part 2:Determinations of pre-vulcanization characteristics

Publish Date: 2025-04-25 Implement Date: 2025-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 1232.2-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Rubber products and their auxiliary materials

ICS Name: Rubber

Publish Date: 2025-04-25

Implement Date: 2025-11-01

Pages: 16 pages

Scope

This document describes the method of determining the initial vulcanization characteristics of unvulcanized rubber using a disc shear viscometer.
This document is suitable for evaluating the storage time and processability of unvulcanized rubber under high-temperature conditions.

Development Information

Word Count: 14 Thousand words Pages: 16 pages

Replace the following standards

GB/T 1233-2008 Rubber,unvulcanized—Determinations of pre-vulcanization characteristic using a shearing disc viscometer

Referenced Standards

GB/T 1232.1-2000 Rubber,unvulcanized—Determinations using a shearing-disc viscometer—Part 1:Determination of Mooney viscosity GB/T 1232.1-2016 Rubber,unvulcanized—Determinations using a shearing-disc viscometer—Part 1:Determination of Mooney viscosity GB/T 25269-2010 Rubber—Guide to the calibration of test equipment

Adopt standards

ISO 289-2:2020

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