On December 31, the General Administration of Quality Supervision, Inspection and Quarantine and the National Standardization Administration Committee officially issued the National Composite Rubber Standard Specification for Composite Rubber, No. 33 of 2014, the standard number is GB/T 31357-2014. The standard will be officially implemented on July 1 and is currently in transition. The most interesting thing in this standard is the requirement that the raw rubber content of the composite rubber does not exceed 88%. This regulation has caused widespread controversy in the industry.
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This standard is under the jurisdiction of the National Rubber and Rubber Products Standardization Technical Committee Natural Rubber Subcommittee (SAC/TC 35/SC 8). Drafting unit: Agricultural Products Processing Research Institute of China Academy of Tropical Agricultural Sciences, Hainan Provincial Agricultural Reclamation Center Test Station, Huangpu Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China, Hangzhou Shunhao Rubber Engineering Co., Ltd., PetroChina Research Institute of China National Petroleum Corporation, Hainan Natural Rubber Industry Group Co., Ltd., Yunnan Agricultural Reclamation Group Co., Ltd., Guangdong Guangsheng Rubber Group Co., Ltd., China Chemical Rubber Co., Ltd.
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