1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS M ISO 2431 KS M ISO 2431:2012 2012 12 18 http:/www.kats.go.krKS M ISO 2431:2012 : ( ) ( ) () ()KCC () ( ) : (http:/www.standard.go.kr) ： ：2002 1 14 ：2012 12 18 2012-0729 ： ： ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS M ISO 2431:2012 i ii 1 1 2 1 3
2、 .1 4 .2 5 .2 5.1 .2 5.2 .6 6 .6 7 .6 7.1 6 7.2 .7 8 .8 9 8 9.1 .8 9.2 (r) 8 9.3 (R).9 10 .9 A( ) 10 A.1 .10 A.2 10 A.3 A CRM SWS 10 A.4 B 11 B( ) .12 14 KS M ISO 2431:2012 ii 2011 5 ISO 2431, Paints and varnishes Determination of flow time by use of flow cups , . KS M ISO 2431:2012 Paints and varni
3、shes Determination of flow time by use of flow cups 1 1.1 , . 1.2 3 mm, 4 mm, 5 mm 6 mm . ( A ). . (dipping) . . , (9. ). 1.3 (breakpoint) . , 100 (slowing-down) . 2 . . ( ) . KS M ISO 1513, KS M ISO 15528, , 3 . KS M ISO 2431:2012 2 3.1 (flow time) t . 3.2 (Newtonian flow) . , , . 3.3 (non-Newtonia
4、n flow) . 3.4 (kinematic viscosity) v SI m2/s . 4 , . , (23.00.5) . ( B ) ( , 25 ) . , 0.5 . . 5 5.1 5.1.1 ISO 1 . (jet) , 4 . KS M ISO 2431:2012 3 5.1.2 . , , . 5.1.3 . 1 , . , (protective sleeve) . , . . 5.1.4 , . Ra(KS B ISO 4287 .) 0.5 m . KS M ISO 2431:2012 4 , ： mm 1 a ( .) a 3 mm 4 mm 5 mm 6
5、mm A B C 63 3 5 62.7 4 6 62.4 5 7 62.1 6 8 a . 1 5.1.5 1 . . , 1 . KS M ISO 2431:2012 5 1 (t) s (v) mm2/s s 3 mm 289.05.45189.0+=vvt ttv200443.0 = 30t100 4 mm 274.20.14674.2+=vvt ttv20037.1 = 30t100 5 mm 256.61.6756.6+=vvt ttv22028.3 = 30t100 6 mm 28.136.828.13+=vvt ttv57090.6 = 30t100 1 2 . . 1 3 m
6、m 2 4 mm 3 5 mm 4 6 mm t (s) v (mm2/s) 2 3 mm, 4 mm, 5 mm, 6 mm v t KS M ISO 2431:2012 6 5.1.6 . a) ： KS M ISO 2431, 3 mm, 4 mm, 5 mm 6 mm b) c) 5.1.7 . , . . A . 5.2 5.2.1 , 0.2 . 5.2.2 , . 5.2.3 (spirit level), . 5.2.4 5.2.5 , 0.2 5.2.6 , (4. ) . 6 KS M ISO 15528 . . KS M ISO 1513 . , 150 mL . , .
7、 7 7.1 7.1.1 30 100 . 7.1.2 7.2 . KS M ISO 2431:2012 7 7.1.3 . , 60 (7.2.4 ). 7.1.4 10 % , , . 7.2 7.2.1 30 100 . 7.2.2 (23.00.5) (4. ) . (5.2.6) , . , . 0.5 . 7.2.3 (5.2.2) , (5.2.3) . 7.2.4 . , . . (5.2.4 ) , (meniscus) . , . 7.2.5 , 100 mm . (5.2.5) . . 0.5 . 7.2.6 KS M ISO 2431:2012 8 . 0.5 . .
8、5 % , . , 5 % . 5 % , ( , ) . 8 . , , (mm), (s) . KS M ISO 2431 5 65 9 9.1 , KS A ISO 5725 2 . 6 . 4 mm 6 mm . 6 mm , . 6 mm , , 7.1 , 10 % (7.1.4 ). 9.2 (r) (r) , ( ) . , . r 95 % 2 . 2 . 2 (r) mm s , r s 4 55 1.7 4 56 1.7 6 60 2.6 6 43 1.7 KS M ISO 2431:2012 9 9.3 (R) (R) , ( ) . , . R 95 % 4 mm 3
9、 , 6 mm 6 . 3 . 3 (R) mm s , R s 4 55 2.2 4 56 3.2 6 60 3.9 6 43 5.5 10 . a) b) (3 mm, 4 mm, 5 mm, 6 mm) c) d) e) ( .) f) ( ) g) ( ) h) KS M ISO 2431:2012 10 A ( ) A.1 . A , (CRM) 2 (SWS) . B , . A.2 A.2.1 (CRM), . CRM . A.2.2 2 (SWS), 3 , CRM , , , . SWS 10 SWS . SWS 3 . (temper) , 3 . A.2.3 , . A.
10、3 A CRM SWS (230.2) CRM SWS . 30 100 , CRM SWS . (230.2) 2 , CRM SWS . CRM SWS 7. 0.2 . 3 . 3 , 1 . (A.1) . vvvv100)( = (A.1) KS M ISO 2431:2012 11 v ： (%) v： (mm2/s) v： CRM SWS (mm2/s) 3 % ( ) , . SWS , , (t) (A.2) . A.4 B . 30 100 , SWS . 20 25 2 , , SWS . 0.2 . SWS 7. 0.2 . 3 . 3 . (A.2) . tttt10
11、0)( = (A.2) t ： (%) t： (s) t： (s) 3 % ( ) , . KS M ISO 2431:2012 12 B ( ) , . . . / . (B.1) . CTBAt+=In (B.1) A, B, C() (B.2) (B.4) . )(In(In)(In(In)(In(In)(In(In213131212312132131TTttTTttTTTttTTTttC= (B.2) )(In)(In)(212211TTtCTtCTA+= (B.3) B (T2 C)(Int2 A) (B.4) T1： () T2： () T3： () t1： T1 (s) t2：
12、T2 (s) t3： T3 (s) . T3 T1 20 A, B, C ( B.1 ), T1T3 (B.1) , ( B.2 ). , ( B.1 ). B.1 A, B, C s A, B, C T116 t162 A 3.641 T223 t254 B 8.552 T330 t350 C 1.609 KS M ISO 2431:2012 13 B.2 3 s 16 62.0 17 60.4 18 59.0 19 57.8 20 56.7 21 55.7 22 54.8 23 54.0 24 53.3 25 52.6 26 52.0 27 51.4 28 50.9 29 50.4 30
13、50.0 t (s) T () B.1 t T t TKS M ISO 2431:2012 14 1 KS M ISO 3219, , / 2 KS B ISO 4287, (GPS) ： , 3 KS A ISO 5725 2, ( ) 2： 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS M ISO 2431:2012KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Paints and varnishes Determination of flow time by use of flow cups ICS 87.040
