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3、02 220.02170.02120.02160.0250.0140.01100.01110.0141 0.02 6 32 70 0.03 2.50.01250.02 1 4 2 . 90 , , . , . C FED R Q MK L AL B AAK H I J GRABD T N P RC K V J I H G A U S ( ) C E A KS M 6721:2008 3 A B C D E F G H 90 10 mm 2 5 90 , 45 500 % , 15.0 mm 250 000 . , . 6 . , 4 , A F EBHGCBA D KS M 6721:2008 4 2 . 1005.25.2=LCG CG ： (%) L ： (mm) 135513 7017 (02)60094114 (02)600948878 http:/ KS M 6721:2008KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Testing method of cut growth using ross flexing apparatus ICS 83.060 Korean Agency for Technology and Standards http:/www.kats.go.kr
