GB/T 36089-2018 in English

VALID

Acrylonitrile-butadiene rubber(NBR)

Issued on:2018-03-15
Implemented on:2018-10-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $80.00
$78.00

Standard No:	GB/T 36089-2018
Document status:	VALID
Title in English:	Acrylonitrile-butadiene rubber(NBR)
Title in Chinese:	丙烯腈-丁二烯橡胶(NBR)
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2018-03-15
Implemented on:	2018-10-01
ICS Classification:	83.060-Rubber
Chinese Classification:	G35-Synthetic rubber
Professional Classification:	GB-National Standard
Related Keywords:	acrylonitrile-butadiene rubber 36089-2018 acrylonitrile-butadiene rubber rubber products nitrile rubber synthetic rubber branch
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《GB/T 36089-2018丙烯腈-丁二烯橡胶（NBR）》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。

Introduction

National Standard of the People's Republic of China GB/T 36089-2018

Acrylonitrile-butadiene rubber (NBR)

Foreword

This standard is formulated in accordance with GB/T 1.1-2009, proposed by China Petrochemical Corporation, and managed by the Synthetic Rubber Branch of the National Technical Committee for Standardization of Rubber and Rubber Products. This standard applies to nitrile rubber produced by low-temperature emulsion polymerization with butadiene and acrylonitrile as monomers.

Scope of application

Specifies the technical requirements, test methods and inspection rules for acrylonitrile-butadiene rubber.
Applicable to three types of nitrile rubber: medium bound acrylonitrile (25%~<30%), medium-high bound acrylonitrile (30%~<35%) and high bound acrylonitrile (35%~41%).

Test Items	Technical Indicators
	Medium Combined Acrylonitrile (25%~<30%)	Medium-High Combined Acrylonitrile (30%~<35%)	High Combined Acrylonitrile (35%~41%)
Volatile Matter (Mass Fraction)/%	≤ 0.70	≤ 0.70	≤ 0.70
Ash content (mass fraction)/%	≤ 0.30 (acid coagulation), ≤ 0.80 (salt coagulation)	≤ 0.30 (acid coagulation), ≤ 0.80 (salt coagulation)	≤ 0.30 (acid coagulation), ≤ 0.80 (salt coagulation)

Technical requirements and practical applications

NBR is mainly used in the manufacture of oil-resistant and high-temperature resistant rubber products, such as seals, hoses, etc. The combined acrylonitrile content directly affects the oil resistance and physical and mechanical properties of the rubber. Volatile matter and ash content are important indicators for measuring the purity of rubber and ensuring stable product quality.

More samples: NB/T 47013.2-2015 GB 50021-2001(2009) YD/T 3934-2021

Sample only — not a preview of GB/T 36089-2018

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