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2、ISO 6743 12:2008 , ( L) 12： Q ( ) Lubricants, industrial oils and related products (class L)Classification Part 12： Family Q(Heat transfer fluids) 1989 1 ISO 6743 12, Lubricants, industrial oils and related products (class L) Classification Part 12： Family Q(Heat transfer fluids) , . 1 L( , ) Q ( )
3、. L( , ) . KS M ISO 6743 99 . 2 . . ( ) . KS M ISO 3448, ISO KS M ISO 6743 99, , ( L) 99： 3 3.1 Q . 3.2 , . “Q” , . . KS M ISO 3448 . 3.3 . , ISO L QA 220 L QA 220 , KS M ISO 3448 KS M ISO 6743 12:2008 2 . 4 1 . 1 a ISOL 250 QA 300 ( ) QB 300 320 ( ) QC 320 QD Q 30 200 QE / , . 1) , , . 2) . a , . .
4、 , ( L)12：Q( ) 135513 7017 (02)60094114 (02)600948878 http:/ KS M ISO 6743 12:2008 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Lubricants, industrial oils and related products(class L)Classification Part 12：Family Q(Heat transfer fluids) ICS 75.100 Korean Agency for Technology and Standards http:/www.kats.go.kr
