ASTM D 3896 - 07 (Reapproved 2016) Standard Practice for Rubber From Synthetic Sources - Sampling

Current edition approved June 1, 2016. Published July 2016. Originally approved in 1980. Last previous edition approved in 2011 as D3896 – 07 (2011). — 2 p.
This practice, intended for referee purposes, covers a uniform procedure for sampling lots of solid synthetic rubbers. Raw synthetic rubber generally is marketed in bales or packages of various sizes.
A procedure for determining the acceptability of lots of synthetic rubber is given. This procedure is based on a variables sampling plan.
The sample size is based on the assumption of a visually homogeneous material. If obvious heterogeneity exists, the number of samples shall be increased.