GB/T 30918-2022 Active National standards

GB/T 30918-2022 Non-oil-extended solution polymerized isoprene rubber (IR)—Evaluation procedures

GB/T 30918-2022 Non-oil-extended solution polymerized isoprene rubber (IR)—Evaluation procedures

Publish Date: 2022-12-30 Implement Date: 2023-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 30918-2022

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Synthetic rubber

ICS Name: Rubber

Publish Date: 2022-12-30

Implement Date: 2023-07-01

Pages: 17 pages

Scope

This document describes the general non-vulcanized solution-polymerized isoprene rubber (IR):
——The physical and chemical test methods for raw rubber;
——The standard reference materials, standard test formulations, equipment, and operating procedures used to evaluate vulcanization characteristics.
This document is applicable to the evaluation of non-vulcanized solution-polymerized isoprene rubber (IR).

Development Information

Word Count: 36 Thousand words Pages: 17 pages

Replace the following standards

GB/T 30918-2014 Non-oil-extended,solution-polymerized isoprene rubber(IR)—Evaluation procedure

Referenced Standards

ISO 6502-2 ISO 6502-3 GB/T 528-1998 Rubber,vulcanized or thermoplastic—Determination of tensile stress-strain properties GB/T 528-2009 Rubber,vulcanized or thermoplastic—Determination of tensile stress-strain properties 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 2941-2006 Rubber—General procedures for preparing and conditioning test pieces for physical test methods GB/T 4498.1-2013 Rubber—Determination of ash—Part 1:Muffle furnace method GB/T 4498.2-2017 Rubber—Determination of ash—Part 2:Thermogravimetric analysis GB/T 6038-1993 Rubber test mixes—Preparation, mixing and vulcanization—Equipment and procedures GB/T 6038-2006 Rubber test mixes—Preparation,mixing and vulcanization—Equipment and procedures GB/T 9881-2003 Rubber—Vocabulary GB/T 9881-2008 Rubber—Vocabulary GB/T 15340-1994 Rubber, raw, natural and synthetic Sampling and further preparative procedures GB/T 15340-2008 Rubber, raw natural and raw synthetic—Sampling and further preparative procedures GB/T 24131.1-2018 Rubber,raw—Determination of volatile matter content—Part 1:Hot-mill method and oven method GB/T 24131.2-2017 Rubber,raw—Determination of volatile-matter content—Part 2:Thermogravimetric methods using an automatic analyser with an infrared drying unit GB/T 15340-2025 Rubber,raw natural and raw synthetic—Sampling and further preparative procedures GB/T 2941-2025 Rubber—General procedures for preparing and conditioning test pieces for physical test methods GB/T 4498.1-2025 Rubber—Determination of ash—Part 1:Muffle furnace method GB/T 9881-2026 Rubber—Vocabulary

Adopt standards

ISO 2303:2019

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