1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS M ISO 2930 (PRI) KS M ISO 2930:2012 2012 12 18 http:/www.kats.go.krKS M ISO 2930:2012 : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ：2002 10 29 ：2012 12 18 2012-0728 ： ： ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS M ISO 2930:2012 i ii 1 1 2 1 3 1 4
2、.1 5 2 5.1 2 5.2 3 5.3 3 6 .3 7 3 8 .3 A( ) (PRI) .5 7 KS M ISO 2930:2012 ii 2009 4 ISO 2930, Rubber, raw natural Determination of plasticity retention index(PRI) , . KS M ISO 2930:2012 (PRI) Rubber, raw natural Determination of plasticity retention index(PRI) . . . 1 (PRI) . . . 2 . . ( ) . KS M IS
3、O 1795, KS M ISO 2007, KS M ISO 2393, , KS M ISO 23529, 3 140 KS M ISO 2007 10 mm . PRI 100 . 4 4.1 , KS M ISO 2007 10 mm . KS M ISO 2930:2012 2 4.2 , KS M ISO 2007 3 mm , 13 mm 4.3 , 0.01 mm , 10 mm (203) kPa . 4.4 , KS M ISO 2393 . ： (150250 ) mm ( ) ： (14.60.5) m/min ： 1： 1.4 ： (273) ： (26515) mm
4、 4.5 , 140 . 30 0.2 . 0.5 . . 0.5 . 2 1 . 10 . 4.6 , . 35 g 5 % . (4050) mm 0.2 mm . 4.7 , KS M ISO 2007 4.3 2 ( 30 mm45 mm) 22 g/m2 . 5 5.1 KS M ISO 1795 . (202) g (273) (4.4) 1.7 mm 2 . 3 . . KS M ISO 2007 (4.2) (4.3) (3.40.4) mm 6 . 3 , . KS M ISO 2930:2012 3 . 6 . 5.2 5 (4.5) . . (4.5 ). (4.6) .
5、 . (4.5 ). (300.25) , . . 5.3 KS M ISO 2007 4.1 10 mm 3 , , . KS M ISO 23529 3.1 . 0.5 2 . . 0.5 (1 10 m .) . 6 3 3 . 100)PRI( = ( ) . 7 A . 8 . KS M ISO 2930:2012 4 a) b) c) d) (PRI) e) f) g) h) i) KS M ISO 2930:2012 5 A ( ) (PRI) A.1 (ITP) ISO/TR 9272 2007 . ITP 2 . 9 ITP , 1 . 2 5 , ( ) . , 3 3 .
6、 ITP ITP / . A.2 A.2.1 2 , A.1 . ISO/TR 9272:2005 . A.2.2 A.2.3 . r, R (r), (R) . A.1 (PRI) PRI srr (r) sRR (R) A ( PRI) 56 1.29 3.64 6.50 3.33 9.44 16.84 9 B ( PRI) 74 1.01 2.86 3.86 5.26 14.90 20.04 9 . sr ( ) r ( ) (r) ( ) sR ( ) R ( ) (R) ( ) KS M ISO 2930:2012 6 A.2.2 A.1 . ( ) 2 r (r) , ( ) .
7、A.2.3 A.1 . ( ) 2 R (R) , ( ) . A.2.4 (Bias) . . KS M ISO 2930:2012 7 1 lSO/TR 9272： 2005, Rubber and rubber products Determination of precision for test method standards (PRI) 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS M ISO 2930:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Rubber, raw naturalDetermination of plasticity retention index(PRI) ICS 83.040.10
