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2、l industry 1 ( .) . . 2 . . KS L 1553, KS L 3114, KS L 3115, KS L 3128, 3 1 . 1 1 AH 1 2 2 4 2 . 2 : mm 210 5 100 3 60 2 KS L 3311: 2007 2 5 . 6 3 . 3 1 2 %65 85 65 85 %10 25 10 25 %0.5 2.0 0.5 2.0 % 12 18 %5 8 200 250 ( ) % 0.3 0.3 kN/cm2kgf/cm2 7.845800 5.884600 7 7.1 KS L 3128 . 7.2 KS L 3114 . 2
3、0 mm20 mm20 mm 25 mm, 25 mm . 1 mg . 7.3 30 , 3 . 7.4 KS L 1553 3.5 . 7.5 20 mm20 mm20 mm 25 mm, 25 mm KS L 3115 . (kN/cm2)kgf/cm2AW= KS L 3311: 2007 3 A: (cm2) W: (kN)kgf , 5 , . 8 4. 6. 7. . , . 9 1 . a) b) 135513 7017 (02)60094114 (02)600948878 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS L 3311: 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Acid and heat resisting bricks for chemical industry ICS 91.100.20