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2、 vulcanized Preparation of samples and test pieces Part 2: Chemical tests 1987 1 ISO 4661 2, Rubber, vulcanizedPreparation of samples and test piecesPart 2:Chemical tests , . KS M ISO 4661 . 1: 2: ISO . , . (blooming) , . , , , , . , , , . 1 . 2 2.1 , , 1.7 mm . 0.5 mm . . KS M ISO 4661 2:2009 2 2.2
3、 400 m . . 2.3 . . NR, SBR BR 1,1,1- . . , 2.1 . . . “ ” , 2.1 . . (buffing) . 2 mm , . . ( ) , . . , . , . 2: 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS M ISO 4661 2:2009 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Rubber, vulcanizedPreparation of samples and test pieces Part 2:Chemical tests ICS 83.060