GOST 32318-2012 Roofing and hydraulic-insulating flexible bitumen-based and holymeric (thermoplastic or elastomer) materials Method for determination of water vapour transmission p.pdf

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1、 32318 2012III - , - . ( ) - . , , 2014 -, 32318 2012IV , ) -) , , , - . , , , , -. 32318 20122 p1 p2 . 3.3 (moisture permeability) p, /(): , - ,p pw d = d , . (moisture resistance factor) : , ,map = ma , /(), 9.1.3.5 (water vapour diffusion equivalent air layer thickness) sd, : , ,ds d= d , . 4 , -

2、 . . ( ), , - . , , :- ;- ( ) . .5 5.1 1 , (. 1). 0,005 2. - .1 ; 2 1 1 2,( )p gw p p= 32318 201235.2 d 0,05 .5.3 - (. 5.1) - 0,1 .5.4 , (23 1) - (75 2) %. (23 1) , , 23 - (. 2).1 ( ); 2 ; 3 125 8 2 ( ) . - 0,02 0,3 / .5.5 .5.6 5 , , 600 . 1 %. 1,5 25 3. 32318 201245.7 -, , - - 25 (35 50) 0,1 .5.8 .

3、 - (79,8 0,4) , - (79,8 0,4) . 5.9 1 .6 N 13416.7 7.1 100 .7.2 , - . .7.3 90 . 0,005 2, , 79,8 .7.4 7.4.1 (23 1) - (75 2) % 90 0,1 .7.4.2 , 0,1 , (23 1) (75 2) % .8 8.1 : - (23 1) (75 2) %. : 0,02 0,3 /. : (23 1) (0 + 1) %; 8.2 (5.1) (5.6). 12 , 34 . , , - , - (. 3). 0,1 , - (5.4) (23 1) (75 2) %, - 32318 20125 , - 23 - , - (23 1) . , , , . (5.4), - (5.5), (30 10) , 0,1 . , , . , 1,1574108 /2, - 7 . - , . . - , ( - ) 5 %.

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