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Recently, the new Buick GL8 was launched, and its lightweight design has been well received by the majority of riders, including the use of plastic for the rear glass
.
Automotive glass has high requirements on the safety factor of the product and needs to have strong impact resistance.
Therefore, the current automotive glass on the market mainly adopts four types: laminated glass, tempered glass, regional tempered glass (semi-tempered) and plastic glass
.
The first appearance of automotive plastic glass should be on the panoramic sunroof of the smart (elf) in 1998, which is made of PC
.
Engel equipment produces plastic glass (source Engel official website)
PC glass
PC glassPC (polycarbonate) glass has the advantages of light transmission, impact resistance, weather resistance, UV radiation resistance and other advantages to replace tempered glass in panoramic sunroofs, rear triangular windows, rear windshield windows and other parts
.
Saint-Gobain develops polycarbonate glass, source Saint-Gobain official website
Typical PC glass raw material: LEXAN resin from SABIC
Typical PC glass raw materials:PMMA glass
PMMA glassPMMA (polymethyl methacrylate) is commonly known as plexiglass, and its monomer MMA (methyl methacrylate) is colorless and transparent at room temperature
.
Typical PMMA glass raw material: ROHM PLEXIGLAS® material
Typical PMMA glass raw materials:Plastic glass for GL8
Plastic glass for GL8According to previous reports, the rear triangular window glass of Buick's new GL8 is made of polycarbonate glass (PC), which can realize design elements that are impossible to achieve with quartz glass, making the new generation GL8 more avant-garde and fashionable
.
This window is made of LEXAN resin from Saudi Basic Industries Corporation (SABIC).
Ningbo Shentong Moulding provides design and technical support from concept to verification.
SABIC provides technical assistance and professional support from the perspective of materials
.
This rear triangular window is very wide, the size is 1200mm*450mm, it is two-color injection molding by Shentong factory, using SABIC transparent LEXAN polycarbonate resin and black CYCOLOY resin (PC/ABS alloy, for the black edge area of the window)
.
This resin combination facilitates product design and tight dimensional tolerances for large rear quarter windows
.
The silicone hard coating can greatly improve the wear and weather resistance of plastic windows
.
