GB/T 46327-2025Neodymium-catalysed butadiene rubber (English PDF)

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents". Drafting.

Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents.

This document was proposed by the China Petroleum and Chemical Industry Federation.

This document is under the jurisdiction of the National Technical Committee on Standardization of Rubber and Rubber Products (SAC/TC35).

This document was drafted by: Dushanzi Petrochemical Branch of China National Petroleum Corporation (CNPC) and China National Petroleum Corporation (CNPC).

Research Institute of Petrochemical Technology, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Beijing Yanshan Branch of China Petroleum & Chemical Corporation, China PetroChina Sichuan Petrochemical Co., Ltd., China National Petroleum Corporation Jinzhou Petrochemical Branch, and Zhejiang Transfar Synthetic Materials Co., Ltd.

Limited Liability Company, Zhongce Rubber Group Co., Ltd., Sailun (Dongying) Tire Co., Ltd., Double Coin Group (Xinjiang) Kunlun Tire Co., Ltd. company.

The main drafters of this document are: Zhan Xuqin, Li Ji, Cong Rixin, Dong Zhijun, Hu Bin, Bi Jifu, Yu Hongguang, Gou Ke, Li Chuangguang, and Yang Guangming.

Du Yang, Wang Shining, Wang Danling, Wang Kun, Zhou Junjie, Yang Changhui, Dong Jing, Zhang Zhongming, Yang Liang, Liu Yuliang, Li Qiang, Wen Jiahui. Neodymium butadiene rubber

1 Scope

This document specifies the product grades, technical requirements, inspection rules, marking and accompanying documents, packaging, transportation and storage of neodymium butadiene rubber.

The document describes the corresponding test methods for the technical specifications.

This document applies to high cis polybutadiene rubber prepared by solution polymerization of 1,3-butadiene in a neodymium-based catalyst system.

2 Normative references

GB/T 528-2009

GB/T 1232.1

GB/T 4498.1-2025

GB/T 5577

GB/T 8660-2018

GB/T 9869.3

GB/T 15340

GB/T 19187

GB/T 19188

GB/T 24131.1-2018

GB/T 24131.2

GB/T 24797.1

3 Terms and Definitions

This document does not contain any terms or definitions that need to be defined.

4 Product Brands

Neodymium butadiene rubber product grades should comply with the provisions of GB/T 5577.The product grades specified in this document are consistent with the original brands of some manufacturers.

See Appendix A for the corresponding information for the number.