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 15340-1994 history
2008GB/T 15340-2008 Rubber,raw natural and raw synthetic.Sampling and further preparative procedures
1994GB/T 15340-1994 Rubber, raw, natural and synthetic--Sampling and further preparative procedures