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3、 2 , , 2 5.2 . 6.3 . 6.4 . . 1 2 . 6.4.1 . 6.4.2 . . 6.4.3 . 3 g/L ( 66 ) , . . 7 , . 8 8.1 . . 8.2 . 8.3 . . . 9 KS L 1209:2009 4 , . 9.1 . a) 45 5.2 45 . . b) 45, 0 45 0 . 10 5.5 . 9.2 . ( ) . 10 10.1 . 10.2 . (%) 100ifiGGG (%) 100ifGG Gi: ( ) Gf: ( ) 11 11.1 . . 11.2 10 % . 11.3 . 11.4 . 45 135513 7017 (02)60094114 (02)600948878 http:/ KS L 1209:2009 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Testing method for 45 specular gloss of ceramic materials ICS 81.060.20 Korean Agency for Technology and Standards http:/www.kats.go.kr