Industrial filter lens/plates" for welding helmets. The technical performance of the products is in conformity with Chinese National Standard GB3609.1-83, and also meets American National Standard Z87.1-1989 and Germany DIN/777-787.
Lens Tests:
2"x4.25" Drop Ball Impact (5/8" Ball, 39"Drop) No Fracture
4.5"x5.25" Drop Ball Impact (5/8" Ball, 39"Drop) No Fracture
3.25"x4.25" Drop Ball Impact (5/8" Ball, 39"Drop) No Fracture
[Accordance with ANSI Z87.1989, 15.5.5.1 Impact Test]
Our producer have been assessed by AOQC Moody International Limited in respect of Miller Quantity Management Systems and are comply with ISO9002.1994.
The register number: 0003034. They are produced with precision machines
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