Toughened glass film can really so cheap
Now on the market of toughened glass film can be said to be full of beautiful things in eyes,price is also from a few dollars to several dozens yuan.That why should we choose the price is high,where isn't cheap is bad,what difference between them?With these questions,let little I now take you fast travel in toughened glass membrane of sky.
About the glass material
Because of the high requirement on thickness of toughened glass membrane is very,so for now there is no glass,with a less known and inferior brand from raw materials,are all brand goods.But the brand is of high and low points,can be seen from the glass quality of high and low.On the market with more bran -ds are:the United States of corning&Germany short;Japan's asahi glass (AGC),plate glass;China,south bo luo bo.
Common glass raw material for sodium calcium,belong to the conventional non precision glass,relatively
poor flexibility,and high-end of the corning/Germany short glass raw material for high aluminum silicon, belong to the precision optical glass, flexibility is very good.
