GB/T 15257-2008 Active National standards

GB/T 15257-2008 Mixed modulation chloroprene rubber CR321、CR322

GB/T 15257-2008 Mixed modulation chloroprene rubber CR321、CR322

Publish Date: 2008-06-19 Implement Date: 2009-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 15257-2008

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Synthetic rubber

ICS Name: Rubber

Publish Date: 2008-06-19

Implement Date: 2009-02-01

Pages: 7 pages

Scope

This standard specifies the technical requirements, inspection methods, inspection rules, and packaging, marking, storage, and transportation for CR3211, CR3212, CR3213, and CR3221 in the CR321 series of mixed regulated chloroprene rubber, as well as CR3222, CR3223, and CR3223 in the CR322 series. This standard applies to CR3211, CR3212, CR3213, CR3221, CR3222, and CR3223 obtained by emulsion polymerization using chloroprene as the monomer and sulfur and the regulator butadiene as the regulators.

Development Information

Word Count: 10 Thousand words Pages: 7 pages

Replace the following standards

GB/T 15257-1994 Mixed modulation chloroprene rubber CR321,CR322

Referenced Standards

GB/T 528-1998 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 1233-2008 Rubber,unvulcanized—Determinations of pre-vulcanization characteristic using a shearing disc viscometer GB/T 4498-1997 Rubber—Determination of ash GB/T 15340-1994 Rubber, raw, natural and synthetic Sampling and further preparative procedures GB/T 19187-2003 Sampling procedures for inspection of raw synthetic rubber GB/T 21462-2008 Evaluation procedure of chloroprene rubber(CR) HG/T 3928-2007 Industrial active light magnesia oxide

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