This standard specifies Method A (Soxhlet extraction method) and Method B (heated reflux method), which are methods for quantifying solvent extracts from raw rubber, unvulcanized compounded rubber, and vulcanized compounded rubber, including thermoplastic elastomers. .
JIS K 6229:2007 Referenced Document
JIS K 6225 Rubber, vulcanized -- Preparation of samples and test pieces -- Chemical tests
JIS K 6298 Rubber, raw natural and raw synthetic -- Sampling and further preparative procedures*, 2009-01-20 Update