1、 KS C IEC 60068-2-74KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS () KS C IEC 60068-2-74 : 2002 (2007 ) 2002 9 27 http:/www.kats.go.kr : ( ) ( ) : (http:/www.standard.go.kr) ： : 2002 9 27 : 2007 10 30 2007-0887 ： ( 02-509-7294) . (http:/www.kats.go.kr) 7 5 , . ICS 19.040 KS C IEC () 60068 2 74：2002(2007
2、) Environmental Testing Part 2： Tests Test Xc： Fluid contamination 1999 6 IEC 60068 2 74(Environmental testing Part 2： Tests Test Xc： Fluid contamination) . 1. , . . . . A , . . 2. . ISO 1817： 1985 Rubber, vulcanized Determination of the effect of liquids 3. 3.1 (12. ) 1 . ( A.2 ). 1 . 3.2 . . . C I
3、EC 60068 2 74： 2002 2 1 (1) (2)2 ( ) (a) ISO 1817 F 70(3) ( ) (b) ISO 1817 B 40(3) (c) NATO H 520： (OM18)(4) 70 ( ) (d) ISO 1817 103 70 (e) , 25 C, 10mm2/s(cSt) (ZX42： NATO S 1714) 70 (f) NATO 0 1176(OMD 80) 70 ( ) (g) ISO 1817 101 150 (h) 2 ( ) 50(3) (i) 23 (j) (k) 80% ( ) 23 (de icing) (anti freez
4、e) (l) 50% ( ) 23 (m) 25% /25% ( )(4) 23 (n) 50% (4) 23 (o) (DDVP) 2% 23 (p) 2% 23 (coolant dielectric fluid)(A.2.9 ) (q) Coolanol 25R 70 (r) ( ) 23 (s) 23 (1) . NATO . NATO . (2) 8., 9., 10. A.7 (3) . (4) NATO H 515 . 4. 4.1 . a) b) 1. , . 2. 20cm2 . 4.2 ( A.4 ). C IEC 60068 2 74： 2002 3 5. 5.1 , ,
5、 ( A. 5 ). 5.2 . . 5.3 ( A.5 ). 6. 6.1 . 6.2 ( A.6 ). 7. 7.1 8.10. . , ( A.7 ). . 7.2 , , . . 8. (Class A) 8.1 . 8.2 , , 1 . . 510 . . 8.3 . , . 93 h3 h 70 2 8.4 . 8.5 . 9. (Class B) 9.1 . 9.2 , , 1 . . . 24 h1 h 3 . 16 h0.5 h 8 h0.5 h . 9.3 . , . 93 h3 h 70 2 9.4 . 10. (Class C) C IEC 60068 2 74： 2
6、002 4 . 10.1 . 1 24 h1 h . 10.2 . , 93 h3 h 70 2 . . 10.3 . 11. 11.1 5.3 . 11.2 . 11.3 ( A.6 ). 12. . a) 3. b) 4. c) 5. d) 6. e) 7.1 f) 7.1 g) 7.2 h) 8.1, 9.1 i) 1 8., 9., 10. j) 8., 9., 10. k) 8., 9., 10. l) 11. C IEC 60068 2 74： 2002 5 A A.1 . , , . , . A.2 A.2.1 A.2.1.1 . A.2.1.2 . . , . . A.2.1.
7、3 , , , , / . A.2.1.4 ( A.10). A.2.2 . . . . . . A.2.3 . ( A.2.4 ). . . A.2.4 . . , . PVC . A.2.5 , . 1 . A.2.6 (deicing and antifreeze fluids) . ( ) . A.2.7 . . C IEC 60068 2 74： 2002 6 A.2.8 . . A.2.9 (Coolant dielectric fluids) . . A.2.10 (Fire extinguishants) . (chlorobromofluorocarbon) . (aqueo
8、us foam) . . . A.3 A.3.1 A.3.1.1 . . A.3.1.2 . . A.3.2 A.3.2.1 1 . . A.3.2.2 . . A.3.3 A.3.3.1 . , . 1 . A.3.3.2 1 . A.4 A.4.1 . . . , , . . C IEC 60068 2 74： 2002 7 A.4.2 , (A.5.2 ). A.5 A.5.1 (5.1 ). A.5.2 . a) b) c) . d) . (： , , ). . A.6 . . A.7 A.7.1 8.10. . . “ ” . 1 . “ ” “ ” . . “ ” . / . A.
9、7.2 . . 1 . A.7.3 . 8. . A.8 . A.9 . , . A.10 ISO 175 1981, Plastics Determination of the effects of liquid chemicals, including water C IEC 60068 2 74： 2002 8 ISO 6072 1986, Hydraulic fluid power Compatibility between elastomeric materials and fluids ISO 6743(all parts), Lubricants, industrial oils
10、 and related products(Class L) Classification ISO/TR 7620 1986, Rubber materials Chemical resistance ISO 8174 1986, Ethylene and propylene for industrial use Determination of acetone, acetoitrile, propan 2 ol and methanol Gas chromatographic method ( ) 135513 7017 (02)60094867 (02)600948878 http:/ KS C IEC 60068-2-74 : 2002 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Environmental Testing Part 2： Tests Test Xc： Fluid contamination ICS 19.040 Korean Agency for Technology and Standards http:/www.kats.go.kr
