This standard specifies the requirements, test methods, packaging, labeling, storage and transportation of two grades of natural raw rubber. This standard applies to latex rubber processed from the latex separated during the centrifugal concentration of natural rubber latex.
NY/T 229-2009 Referenced Document
GB/T 15340 Rubber,raw natural and raw synthetic.Sampling and further preparative procedures
GB/T 3510 Determination of plasticity of unvulcanized rubber by rapid plastometer method*, 2023-11-27 Update
GB/T 3517 Rubber, raw natural—Determination of plasticity retention index(PRI)*, 2022-10-12 Update