GOST 12 4 268-2014 Occupational safety standards system Protective clothing against toxic chemicals Method for determination of resistance to permeation by liquids and gases《职业安全标准.pdf

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1、 , () INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC) 12.4.268 2014 (ISO 6529:2001, ISO 6530:2005) (ISO 6529:2001, MOD), (ISO 6530:2005, MOD) 12.4.2682014 II , 1.092 . 1.22009 . , . , , , 1 . ( . . ) 2 3 , ( 14 2014 . 72-) : ( 3166) 00497 ( 3166) 00497 AM AZ KZ KG RU UA 4 2

2、6 2014 . 1802- 12.4.2682014 (ISO 6529:2001, ISO 6530:2005) 1 2015 . 5 ISO 6529:2001 Protective clothing. Protection against chemicals. Determination of resistance of protective clothing materials to permeation by liquids and gases ( . . ) ISO 6530:2005 Protective clothing. Protection against liquid

3、chemicals. Test method for resistance of materials to penetration by liquids ( . . ). , . 1.5 ( 3.6). (MOD). 12.4.262-2011 6 12.4.2682014 III , . () . , , 2015 , 12.4.2682014 (ISO 6529:2001, ISO 6530:2005) 1 Occupational safety standards system. Protective clothing against toxic chemicals. Method fo

4、r determination of resistance to permeation by liquids and gases 20151201 1 . ( , ) ( ) . , , . . : - . , , , . , . , - . () . : - , ( , ), ( ), ( ) ( ) ; - , ( ) , , , . - ( , ) ( ). - ( ), . . 12.4.2682014 2 . , . . 2 : 8.20776 . . . 12.4.2392013 . . 1068175 . 1135889 0,01 0,1 . 1707371 . 1 2 2410

5、42001* . 2906291 . ( 2231:1989 -. , IDT) 29104.191 . , 29104.291 . , 1 , , . (), , () . , , , , . 3 : 3.1 ( ) (analytical technique): , - - . 3.2 (breakthrough detection time): , - (. 1). . * 53228-2008. 12.4.2682014 3 1 3.3 (closed-loop): -. 3.4 - (collection medium): , , 0,5 % . 3.5 (contact time)

6、: , - . 3.6 (cumulative permeation mass): , . 1 . 2 -. 3.7 (cycle time): - ( ). 1 0,05 /(2) 23 , 20 , . 0,1 /(2 ) 33 28 . 0,15 /(2). 2 0,05 /(2 ) 23 , 20 , , . 0,1 /(2) 33 , 12.4.2682014 4 28 , . 0,15 /(2). 3.8 (degradation): . 3.9 (minimum detectable mass permeated): , . . 3.10 (minimum detectable

7、per-meation rate): , . . 3.11 (normalization permeation mass): - , . 0,25 2,5 /2. 3.12 (normalization permeation rate): - , . 0,1 2,5 /(2). 3.13 (normalized breakthrough detection time open-loop system): ( ), (. 1). 3.14 (normalized breakthrough detection time closed-loop test): ( ), . 3.15 (open-loop): , - . 3.16 (penetration): , , , . 3.17

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