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2、r change in properties of plastics building materials resulting from out-door exposure 1 . . 2 . . KS A 0006, KS A 0061, XYZ X10Y10Z10 KS A 0062, 3 KS A 0065, KS A 0066, KS A 0068, KS A 0073, KS K 0905, KS K 0911, KS L 2405, KS M 3015, KS M 3811, 3 . a) , . b) . c) . 4 KS F 2821: 2007 a) . . b) . c)
3、 . . d) 1) . 5 . . . 5.1 5.1.1 , KS M 3015 6.6 ( ) . . 5.1.2 , KS M 3015 6.5.1( ) . 3 . . ( ) (%) 100= ( ) , ( ) . 5.2 5.2.1 a) . 1) KS K 0905 , 2) . 1 1) KS A 0006 2) KS K 0911 . 2 KS F 2821: 2007 . KS A 0065 , C3), 4) . 1 ( ) 1 1 . 12 NBS 2 2 . 6 NBS 3 3 . 3 NBS 4 4 . 1.5 NBS 5 5 . 0 NBS 1 2 , 3 4
4、 2 . 2 1 1 . 3 . ( R, Y, G, Bl, Br, D, Str) 2) . b) KS A 0066 . KS A 0073 KS A 0068 3 X, Y, Z x, y . . 40(Vx Vy)2 0.23Vy2 0.4(Vz Vy)20.5 X, Y, Z Vx, Vy, Vz . R 1.221 9 V 0.231 11 V2 0.239 51 V3 0.021 009 V4 0.000 840 4 V5 4980.0XXc= , Yc Y, 0181.1ZZc= R Xc, Yc5), Zc x y z V V , V4), V . 5.2.2 KS M 3
5、811 7.7 . 5.2.3 KS L 2405 4.( ) 3 . . 3) KS A 0061 . 4) KS A 0073 . 5) Yc Vy KS A 0062 2 . 3 KS F 2821: 2007 (%) 100= GS(45) GS(45)5.2.4 , , . 5.3 a) KS M 3015 6.18 . . (%) 100= ( ) ( )( ) b) 2 , . c) 3 . 6 . a) , , b) c) ( ) d) e) ( .) f) g) 4 135513 7017 (02)60094114 (02)600948878 http:/ KS F 2821: 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Standard method of test for change in properties of plastics building materials resulting from out-door exposure ICS 83.140 Korean Agency for Technology and Standards http:/www.kats.go.kr