Laminated glass is a type of safety glass that consists of two or more layers of glass bonded together with an interlayer, typically made of polyvinyl butyral (PVB), ethylene-vinyl acetate (EVA), or other materials. The layers are fused together through heat and pressure to form a single, stronger glass unit.
Laminated glass is commonly used in automotive windshields, building windows and doors, curtain walls, skylights, sunrooms, security display cases, balcony railings, sound barriers, and blast-resistant or bulletproof glass where safety and durability are essential.
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Special interlayers designed to maximize acoustic insulation. The thickness of the glass and interlayer can vary depending on the required sound insulation levels.
Multiple layers of glass with thicker PVB/EVA or other specialty interlayers like ionoplast. For applications requiring maximum strength, such as bank teller windows, bullet-resistant glass etc.
Laminated glass with interlayers designed to block UV radiation. Museums, art galleries, luxury homes, and car windshields where protection from UV light is important.
Laminated glass with a colored interlayer or tinting in the glass layers themselves. Decorative purposes in interior design, building facades, and privacy glass.
Incorporates a polymer-dispersed liquid crystal (PDLC) film or electrochromic layers between the glass, allowing the glass to switch between clear and opaque.
Laminated glass that is custom-made to specific curves and bends.
At the beginning we need to confirm the glass material (Soda-lime glass. aluminosilicate glass etc),thickness. Then cut the glass sheets to required size and shape.
The cut edges are polished or treated (beveled, ground, etc.) to remove sharp edges and prevent cracking during handling.
To enhance the hardness and of the glass, we typically use physical tempering. For products that require high surface quality and flatness, chemical tempering is also a ideal option.
The most common interlayer is PVB or EVA, though other specialized interlayers like ionoplast can be used for specific applications such as high-security or UV-protection laminated glass.
The assembled glass is placed in a de-airing oven (autoclave or vacuum bag), where moderate heat (about 70°C) and pressure are applied. This step removes any trapped air bubbles between the glass and the interlayer.
The glass stack is transferred to an autoclave, where it is subjected to high temperature (usually 120-140°C) and pressure(approximately 10-15 bar). This step fully bonds the glass and interlayer into a single, solid unit.
Given that your business customizes vacuum glass, you may also have the capability to work with laminated glass for specific applications. If you're looking to explore the production of laminated glass for a specific use case, such as integrating it with solar glass products or focusing on ultra-thin laminated options, this could be an interesting addition to your offerings.
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