Safety Glass
Date:2011-05-16 13:36
Status:Be resolved
Question:admin
application of atomic energy, isotopes of building protection requirements of the site.
Identification
1. The most important and safest way is to look at safety glass products, there is no 3C certification mark. Because, according to the provisions of safety glass must be 3C certification mark. 2. By listening, that the glass by hand percussion, and if given the crisp sound of the glass, then glass is tempered glass, on the contrary, compared with ordinary glass. 3. Using polarized light film, i
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