1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS M ISO 2439 ( )KS M ISO 2439:2012 2012 12 18 http:/www.kats.go.krKS M ISO 2439:2012 : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ：2002 8 31 ：2012 12 18 2012-0728 ： ： ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS M ISO 2439:2012 i ii 1 1 2 1 3 .2 4 2 5
2、 .2 6 3 6.1 .3 6.2 (orientation) .3 6.3 .3 7 3 7.1 3 7.2 A, B, C .4 7.3 A 40 %/30 4 7.4 B 25 % 40 % 65 %/30 4 7.5 C 40 % .4 7.6 D 25 %/20 (low) 5 7.7 E .5 8 .7 9 7 A( ) 8 B( ) E .11 13 KS M ISO 2439:2012 ii 2008 4 ISO 2439, Flexible cellular polymeric materials Determination of hardness(indentation
3、technique) . KS M ISO 2439:2012 ( ) Flexible cellular polymeric materials Determination of hardness(indentation technique) . . . 1 (load-bearing) . 4 (AD) (compressive deflection coefficient) (hysteresis loss rate) (E) . A . 5 (foam), , (open-cell type) PVC . (bulk) . a) A 40 %/30 . b) B 25 % 40 % 6
4、5 %/30 . c) C 40 % . d) D 25 %/20 (low) (inspection) . e) E . , . 2 . . ( ) . KS B ISO 7500 1, 1： / KS M ISO 2439:2012 2 KS M ISO 23529, ISO 1382, Rubber Vocabulary 3 ISO 1382 . 3.1 (indentation hardness) N . 3.2 (compressive deflection coefficient) S25 % 65 % 3.3 (hysteresis loss rate) A . 4 . 5 5.
5、1 (5.2) (10020) mm/min (indentor)(5.3) . KS B ISO 7500 1 1 1 N . 0.25 mm . C E - . 0.25 mm . 5.2 . 6 mm 20 mm . KS M ISO 2439:2012 3 5.3 . 30200+mm 5.000.1+mm (polished) . 6 6.1 (502) mm 200380+mm . . . . 6.2 (orientation) . . 6.3 72 . 16 48 72 10 % 16 48 . KS M ISO 23529 16 . ： (232), ： (505) % ： (
6、272), ： (655) % . , 12 , 6 . 7 7.1 6.3 . A . KS M ISO 2439:2012 4 . . , (quantity), , . 7.2 A, B, C a) 025N . 0 . b) (702.5) % (10020) mm/min . . c) 2 , 7.3, 7.4 7.5 . 7.3 A 40 %/30 3 7.2 c) (401) % . (301) , (N) . A . 7.4 B 25 % 40 % 65 %/30 3 7.2 c) . a) (251) % b) (301) c) d) (401) % e) (301) f)
7、g) (651) % h) (301) i) B . . B 25 % 65 % 40 % . 7.5 C 40 % 3 7.2 c) . a) (401) % . b) (N) . c) . KS M ISO 2439:2012 5 C . . A A . 7.6 D 25 %/20 (low) 7.6.1 a) 025N . 0 . b) (752.5) % (10020) mm/min . . 7.6.2 7.6.1 b) (251) % . (201) , (： N) . D . 7.7 E 7.7.1 a) 025N . 0 . b) (752.5) % (10020) mm/min
8、 . . c) (41) . 7.7.2 7.7.1 c) 7.7.1 a) (752.5) % (10020) mm/min , . (752.5) % , 1 . 2 . KS M ISO 2439:2012 6 X (%) Y (F) a b c d e 75 % 1 7.7.3 7.7.3.1 Sf . 2565FFSf= F25： 25 % (N) F65： 65 % (N) 7.7.3.2 Af(%) . 1000abe00abcd0=fA KS M ISO 2439:2012 7 0abcd0 ： 0abcd0 ( 1 ) 0abe0 ： 0ab ( 1 ) 8 16 . 9 .
9、 a) b) ( ) c) , d) ( ) e) 7.2 a) f) g) ( , .) h) ： 100 N . 100 N 5 N . i) KS M ISO 2439:2012 8 A ( ) A.1 A, B, C, D, E A.1 A B C D E a 3 3 3 1 1 (%) 702.5 702.5 702.5 752.5 752.5 ( ) 41 251 251 401 401 401 , (%) 651 0750 ( ) 301 301 301 301 0 201 HA(40%/30 )HB(25%/30 )HB(40%/30 )HB(65%/30 )HC(40%/0
10、)HD(25%/20 ) a 7.7.3 A.2 A, B, C, D X (%) Y (F) F0 025N t0 A.1 A, B C KS M ISO 2439:2012 9 X (%) Y (F) F0 025N t0 HA A A.2 A X (%) Y (F) F0 025N t0 HB B A.3 B KS M ISO 2439:2012 10 X (%) Y (F) F0 025N t0 HC C A.4 C X (%) Y (F) F0 025N f g t0 HD D A.5 D KS M ISO 2439:2012 11 B ( ) E B.1 E ISO/TR 9272
11、 . ITP( ) . B.2 ITP 2004 . 7 (resilience level) 3 ITP . E . B.3 B.3.1 3 B.1 . 3 , E . B.3.2 B.1 . E r ( ) (r) ( ) , , . B.3.3 B.1 . E R ( ) (R) ( ) , , . KS M ISO 2439:2012 12 B.1 srr (r) sRR (R) 1.78 0.035 2 0.100 5.58 0.069 4 0.196 11.0 44.46 0.959 2.713 6.10 2.324 6.58 14.79 2.15 0.044 4 0.126 5.
12、85 0.120 0.337 15.69 67.91 1.787 5.06 7.45 6.314 17.68 26.03 2.29 0.047 0.132 5.75 0.078 0.221 9.62 33.43 0.349 0.988 2.96 2.844 8.050 24.08 KS M ISO 2439:2012 13 1 ISO/TR 9272, Rubber and rubber products Determination of precision for test method standards () 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS M ISO 2439:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Flexible cellular polymeric materials Determination of hardness(indentation technique) ICS 83.100
