GB/T 8660-2018 in English

This document specifies the methods for evaluating solution-polymerized butadiene rubber (BR). It covers various testing procedures to determine the physical and chemical properties of the material, ensuring consistency and reliability in quality assessment. The standard provides detailed instructions for conducting tests related to viscosity, molecular weight distribution, and other relevant characteristics. It is applicable to the production, quality control, and technical exchange of solution-polymerized butadiene rubber. The content is structured to facilitate accurate testing and interpretation of results, supporting the use of the material in industrial applications. The standard includes definitions, test principles, apparatus, sample preparation, and procedures for conducting the tests. It also outlines the conditions for testing, the number of samples, and the methods for expressing and reporting the results.