Warning: Personnel using this standard should be familiar with formal laboratory operating procedures. This standard does not intend to address all safety issues that may arise from the use of this standard. It is the user's responsibility to establish appropriate safety and health regimes and ensure compliance with national regulations. This standard stipulates the sampling method of raw rubber in bales, blocks and bags, and also specifies the operation steps for preparing physical and chemical test samples from the rubber samples taken.
GB/T 15340-2008 Referenced Document
GB/T 6038 Rubber test mixes. Preparation, mixing and vulcanization. Equipment and procedures
GB/T 9869 Rubber.Measurement of vulcanization characteristics with the oscillating disc curemeter*, 2014-12-22 Update
ISO 248:1991 Rubbers, raw; determination of volatile-matter content
ISO 289-1:1994 Rubber, unvulcanized - Determinations using a shearing-disc viscometer - Part 1: Determination of Mooney viscosity
ISO 2930:1995 Rubber, raw natural - Determination of plasticity retention index (PRI)
ISO 3951:1989 Sampling procedures and charts for inspection by variables for percent nonconforming