齐鲁石化橡胶厂近日开始采用新的国家标准ＧＢ/Ｔ 86 5 9— 2 0 0 1生产ＢＲ ,停用原来的旧标准。　　据了解 ,新标准是在原标准基础上 ,以国外同类产品先进技术指标和实测值为依据 ,在 8个方面作了不同程度修订 ,特别是对产品的挥发分和3 0 0 %定伸应力这两项技术指标进行了较 Qilu Petrochemical Rubber Factory recently started using the new national standard GB / T 86 5 9-2 0 0 1 production of BR, the old standard to disable the old. It is understood that the new standard is based on the original standard, the advanced technology indicators and measured values ​​of similar foreign products as the basis, made in eight aspects modified to varying degrees, especially the volatile products and 300% of the set stress Two technical indicators have been compared