The laminated glass is also called laminated glass. It is two or several pieces of float glass with a strong PVB (ethylene polymer butyrate) adhesive film in the middle, which is pressed and combined by a hot press to discharge the intermediate air as much as possible, and then put it into a high-pressure steam kettle to dissolve a small amount of residual air into the adhesive film at high temperature and high pressure.
Compared with other glass, laminated glass has the performance of shock resistance, anti-theft, bulletproof and explosion-proof. After the laminated glass is broken, it is connected to one piece due to glue, and it rarely disperses. This effectively prevents the occurrence of debris puncture and penetration falls and ensures personal safety.
In Europe and the United States, most architectural glass uses laminated glass, not only to avoid injury accidents, but also because laminated glass has excellent seismic intrusion ability. The intermediate membrane can resist the continuous attack of lethal weapons such as hammers and woodchopping knives, and can also resist the penetration of bullets for a long time. Its safety precautions can be described as extremely high.
According to the melting point of the intermediate film, it can be divided into: low temperature laminated glass, high temperature laminated glass, insulating glass;
According to the different materials in the middle, it can be divided into: paper clip, cloth clip, plant clip, wire clip, wire clip and many other types;
According to the different bonding methods between the interlayers, it can be divided into: mixed laminated glass, dry laminated glass, insulating laminated glass;
According to the different layers of the interlayer, it can be divided into: general laminated glass and bulletproof glass.
On the issue of price:
To toughened laminated glass as a column, the price composition: glass original film price toughened processing costs film costs mechanical labor costs.
Because the thickness and size of the required glass are different, the price varies greatly (large, ultra-wide and ultra-thick glass originals are usually difficult to produce, so the price is also quite high)
Here I have collected the prices of different laminated glass for you:
1. Price of colored glaze laminated glass: 260 yuan per square meter;
2. Price of fireproof laminated glass: 240 yuan per square meter;
3. Price of tempered laminated glass: 1000 yuan per square meter;
4. Lowe laminated glass price: 260 yuan per square meter.
PVB laminated glass ↑
EVA laminated glass manufacturing process is simpler than PVB, low cost, but low melting point, so EVA laminated glass is mainly used for indoor partition and decoration. Domestic solar photovoltaic glass is also an EVA intermediate film.
Printing intermediate film laminated glass ↑
Commonly used in the application of beautiful glass
EVA solar photovoltaic laminated glass ↑
EVA laminated glass manufacturing process is simpler than PVB
Low cost, but low melting point
Therefore, EVA laminated glass is mainly used for indoor partition and decoration.
EVA intermediate film is also used for domestic solar photovoltaic glass.
Laminated glass curtain wall ↑
There are many types of laminated glass. Common laminated glass includes PVB laminated glass, SGP laminated glass, EVA laminated glass, PU laminated glass, etc.
PVB laminated glass is widely used in the automotive and construction fields. Its high transparency and high melting point make PVB laminated glass widely used in glass curtain walls. In Europe and America, most architectural glass is PVB laminated glass.
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