GB/T 46327-2025 Active National standards

GB/T 46327-2025 Neodymium-catalysed butadiene rubber

GB/T 46327-2025 Neodymium-catalysed butadiene rubber

Publish Date: 2025-10-05 Implement Date: 2026-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us
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Basic Information

Standard Code: GB/T 46327-2025
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: Synthetic rubber
ICS Name: Rubber
Publish Date: 2025-10-05
Implement Date: 2026-05-01
Pages: 12 pages

Scope

This document specifies the product specifications, technical requirements, inspection rules, markings and accompanying documents, packaging, transportation, and storage of neodymium-based butadiene rubber; it also describes the corresponding test methods for technical indicators.
This document is applicable to high cis-polybutadiene rubber obtained by solution polymerization of 1,3-butadiene under a neodymium-based catalyst system.

Development Information

Word Count: 11 Thousand words Pages: 12 pages

Referenced Standards

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 4498.1-2025 Rubber—Determination of ash—Part 1:Muffle furnace method GB 5577-1985 Codification of types for synthetic rubbers GB/T 5577-2008 Codification of types for synthetic rubbers GB/T 5577-2022 Specification for the codification of synthetic rubber GB/T 8660-2018 Solution polymerized butadiene rubber(BR)—Evaluation procedures GB/T 9869.3-2025 Rubber—Measurement of vulcanization characteristics usingcuremeters—Part 3:Rotorless curemeter 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 15340-2025 Rubber,raw natural and raw synthetic—Sampling and further preparative procedures GB/T 19187-2003 Sampling procedures for inspection of raw synthetic rubber GB/T 19187-2016 Sampling procedures for inspection of raw synthetic rubber GB/T 19188-2003 Rubber, raw natural and raw synthetic—General guidance on storage 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 24797.1-2009 Film for wrapping rubber bales—Part 1:Butadiene rubber(BR)and styrene-butadiene rubber(SBR) SH/T 1727-2017 Determination of Microstructure of Butadiene Rubber by Infrared Spectroscopy SH/T 1727-2004 Butadiene rubber-Determination of microstructure by infra-red spectrometry SH/T 1759-2007 Measure the molecular weight distribution of polymer solutions using gel permeation chromatography

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