The two standards for natural raw rubber have been implemented since December 1st.
by guohuazhixing on 2008-12-11 14:44:26
Starting from December 1, 2008, the Sub-Technical Committee of Natural Rubber under the National Technical Committee for Standardization of Rubber and Rubber Products has formulated and promulgated two new national standards, GB/T 8081-2008 "Natural Raw Rubber Technical Grades..."
