1、 55911 2013 (ISO 17455:2005) ISO 17455:2005 Plastics piping systems Multilayer pipes Determination of the oxygen permeability of the barrier pipe (MOD) 2014 55911-2013 II 1 241 , , , , 4 2 241 , , , 3 17 2013 . 2316-. 4 17455:2005 . . (ISO 17455:2005 Plastics piping systems Multilayer pipes Determin
2、ation of the oxygen permeability of the barrier pipe), 1 Cor.1:2007, , ; 2, , , , , , . . , , , . . 5 1.02012 ( 8). ( 1 ) , . () . , (gost.ru) , 2014 , 55911-2013 III 17455:2005 / 138 , , 5 , . . 17455: - : 1) 6.8, 6.9 0,05 0,5 ; 2) 4.8 , , : : , , 536302009, , , ; - 2 ; - ( ) , , : 1) 8 , . . , 241
3、5780, 2 1167; 2) 7.2 3126 ; 3) 4.9 , , . 17455: 6 ( 2) 1 /3 1 /3; 12.2 (5) (4); 13, h) pt pa ( 5 ). 55911-2013 (ISO 17455:2005) 1 Plastics piping systems. Multilayer pipes. Determination of the oxygen permeability of the barrier pipes 20140601 1 : ( I) ( II). . , . 2 : 2415780 . 31262007 . . , 1 , ,
4、 , . , , (). , , , , , . , , , , . 3 , . , . . , . , . 55911-2013 2 4 : 4.1 (multilayer pipe): , . 4.2 (multilayer pipe): , . 60 % . 4.3 (multilayer pipe): , . 4.4 (inner layer): , . 4.5 (outer layer): , . 4.6 (embedded layer): . . 4.7 (barrier layer): , , . , , . 4.8 (closed system): , , , , , . 4.
5、9 (oxygen permeability): . 5 Abarr , 2; Cox,t , /3; Fox , , ( ) , /2; T (40 80 ), ; Vapp , , 3; Vpipe ( ), 3; db , ; de , , ; di (), ; l , ; pa (1000 20), *; pfin , ; pinit , ; t , ; pr (); , ; , , ;Rox,tot , / ( ISO 17455:2005/Cor. 1:2007). * 1 = 0,1 = 105 ; 1 = 1 /2. 55911-2013 3 6 . 1 (40 80 ) .
6、2 1 ppb = 1 /3. 6.1 , (40 0,5) /(80 0,5). 6.2 , , , ( II), , . 6.3 0,15 0,5 3/. 6.4 , (40 0,5) / (80 0,5), 1 ppb 20 ppm*. 6.5 (1 0,1) (4 0,1) . 6.6 (965 1) (1035 1) . 6.7 (0,15 0,05) (0,5 0,05) 3/. 6.8 , (40 0,5) / (80 0,5) . 6.9 , (40 0,5) / (80 0,5). 6.10 ( ) 10 ppb ( ). , . 6.11 pH 7 ( ). 6.12 (
7、), . 7 7.1 , . 7.2 (20 0,5) . , . , , . 3126. 8 (23 5). , 24157 (3.3, 2). * ppb (-1) ppm (-1) . (/) 10-6, (% .). 55911-2013 4 9 9.1 . 9.2 , . 9.3 0,5 3/ 10ppb. 1 3/ = 0,0016 3/. 9.4 , . 9.5 15 . 10 10.1 10.1.1 . 10.1.2 . 10.1.3 . 10.2 10.2.1 , 10 ppb. 10.2.2 , 220 ppb (220 /) 40 100 ppb (100 /) 80. , ,
