National security attestation indicates
The car enforces with home of safe glass dependency attestation product, every glass on the car is so due mark of national security attestation, namely common says " circumference indicates " , this is automobile glass go up the commonnest also be the most important sign.
Foreign attestation indicates
Be like the United States " DOT " of ECE of mark, Europe " E " the mark, state this product also passed the attestation license of these foreign attestation orgnaizations, can export to abroad. Of course, some enterprises obtain foreign attestation is to show its the quality of the product is had merely " GB level " .
The car produces emblem mark annals
Generally speaking, vitreous manufacturer is met should the label that the requirement of car manufacturer prints this car to produce manufacturer on glass, wait like name of brand, company. Brand or company abbreviation are printed on the glass that vitreous production company indicates glass can produce an enterprise in oneself, this is the most natural thing. But a few not famous small plants are willing abandon such " propagandist opportunity " , besides the reason of brand consciousness respect, be afraid the brand that also worries about oneself is not accepted by the public, bad instead " the business " . Of course, the mark on an automobile glass does not see so that have so complete. Or numerous or brief, the sign on who should say even if only should national security can be used, because this also has company of a few illegal production to embezzle,national security attestation indicates, consumer had better be in choose and buy or in using, add more take care, choose the glass with those all ready marks had better.
Cent of automobile safety glass is sandwich glass, toughened glass and area toughened glass 3 kinds, be by glass former piece become with fabricating. Glass of the windscreen before the car chooses sandwich glass to use the sandwich glass with better security generally commonly, besides the windscreen before dividing, automobile glass all is toughened glass.
Simple for, former piece vitreous course heats, a toughened glass is produced namely after the technological process such as blow a cold wind over. Common glass classics " change " hind, not only intensity increased, and internal composition produced change. Should encounter have impact of ruinous outside force, when causing Bo rupture, won't form sharp cut, however disintegrate is lots and lots of small fragment, every fragment is the steel place that forms when blow a cold wind over at the outset. On the technology, have a demand to the size of these fragments, they cannot too bolo cannot too small: Can form sharp edge too, do not rise to protect action to safety; Form of too small meeting is pulverous, the injury reachs eye of the member that multiply.
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