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3、0 g 1 g . b) , . c) a) 5 . d) c) . e) 1 g . f) e) 98 % . 6 (g) (g) KS A 3251 1 . 7 . ( ) mm % A a A B b X Y y Y z A mm a %, A mm B mm b %, , Y mm z % . 135 513 701 7 (02)6009 4114 (02)6009 4887 8 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS L 3504:2008 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Testing method for grain size of castable refractories ICS 81.080