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The basis of explosion-proof performance test tool to meet the national standards
Views: 7079
Release date: 2014-07-25
A: aluminum bronze explosion-proof tools material performance test in accordance with the basis of national standards
1: in the concentration of 7.8% ethylene, do 5 times in 1 seconds rotating friction test and 20 times of drop hammer type test not detonate gas
2: standard code-named TLEx Ⅱ B
3: hardness above HRC25
2: beryllium bronze explosion-proof tools material performance test in accordance with national standards
1: in the concentration of 21% hydrogen homework, do 5 times in 1 seconds rotating friction test and 20 times of drop hammer type test not detonate gas
2: standard code-named TLEx Ⅱ C
3: hardness above HRC35

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