GB/T 21464-2008 in English

SUPERSEDED

Rubber - Determination of 5-Ethylidenenorbornene（ENB）or Dicyclopentadiene（DCPD） in Ethylene-Propylene-Diene (EPDM) Terpolymers

Issued on:2008-02-26
Implemented on:2008-08-01
File Format:PDF
Delivery:Via email within 1~3 business days

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Standard No:	GB/T 21464-2008
Document status:	SUPERSEDED
Superseded by:	GB/T 21464-2025 Rubber—Determination of 5-ethylidenenorbornene (ENB) or dicyclopentadiene (DCPD) in ethylene-propylene-diene (EPDM) terpolymers
Superseded on:	2026-03-01
Title in English:	Rubber - Determination of 5-Ethylidenenorbornene（ENB）or Dicyclopentadiene（DCPD） in Ethylene-Propylene-Diene (EPDM) Terpolymers
Title in Chinese:	橡胶乙烯-丙烯-二烯烃（EPDM）三共聚物中5-乙叉降冰片烯（ENB）或双环戊二烯(DCPD)含量的测定
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2008-02-26
Implemented on:	2008-08-01
ICS Classification:	83.060-Rubber
Chinese Classification:	G35-Synthetic rubber
Professional Classification:	GB-National Standard
Related Keywords:	terpolymers scopewarning 5-ethylidenenorbornene（enb）or dicyclopentadiene（dcpd） determination method terpolymers ethylene-propylene-diene
Related Topics:	Olefin diene unit Norbornene determination Carbon tetradiene Carbon tetradiene Acenaphthylene and content Moisture Detection in Propylene Ethylene-propylene-ethylidene norbornene copolymer Gel content in polyethylene Polyethylene content test dienes Exocyclic olefins dcpd Alkene Hydrogen Alkene Hydrogen Polyisoprene gaskets are generally multiple GBT21464 GB/T 21464-2008 Six-membered cycloalkene Norbornene Determination of ethylene content in ethylene propylene copolymer Ethylene-octene copolymer group Hexachlorocyclopentadiene Diolefin content test method Cyclic Olefin Copolymer Related Dimer mass of acrolein Determination of borneol content Determination of polyethylene content in pharmaceuticals

《GB/T 21464-2008橡胶乙烯-丙烯-二烯烃（EPDM）三元共聚物中5-乙叉降冰片烯（ENB）或双环戊二烯（DCPD）含量的测定》由TC35（全国橡胶与橡胶制品标准化技术委员会）归口，TC35SC6（全国橡胶与橡胶制品标准化技术委员会合成橡胶分会）执行，主管部门为中国石油和化学工业联合会。
本标准规定了乙烯-丙烯-二烯烃（EPDM）三共聚物中5-乙叉降冰片烯（ENB）或双环戊二烯(DCPD)含量的测定方法。本标准适用于二烯烃含量在0.1%~10%范围内的乙烯-丙烯-二烯烃（EPDM）三共聚物。

Scope

WARNING: Personnel using this standard should have practical experience in formal laboratory work. This standard does not address all possible safety issues. It is the user's responsibility to take appropriate safety and health measures and ensure compliance with the conditions stipulated in the relevant national laws and regulations. This standard specifies the determination method of 5-ethylidene norbornene (ENB) or dicyclopentadiene (DCPD) content in ethylene-propylene-diene (EPDM) terpolymer. This standard applies to ethylene-propylene-diene (EPDM) terpolymers with a diene content (mass fraction) in the range of 0.1% to 10%.

More samples: JJG 21-2008 DL/T 368-2010 JGJ 94-2008

Sample only — not a preview of GB/T 21464-2008

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