Double-layered VSG glass
Double-Layer VSG Glass: Characteristics and Applications in Modern Construction
Double-layered VSG glass, also known as multi-layered safety glass, is a product constructed from two or more glass sheets bonded together with a PVB (Polyvinyl Butyral) or EVA (Ethylene Vinyl Acetate) film. This combination creates a glass panel with high strength, impact resistance, and optimal safety for users. A key feature of double-layered VSG glass is its ability to maintain its integrity when broken; the glass fragments do not scatter but remain firmly attached to the film, minimizing the risk of injury.
Structure and Technical Features of Double-Layer VSG Glass
Double-layered VSG glass is typically composed of two sheets of float glass (clear float glass or tempered glass) with common thicknesses ranging from 5mm to 12mm, pressed tightly together with one or more layers of PVB or EVA film with a thickness of 0.38mm to 1.52mm. The glass pressing process is carried out in a vacuum chamber at high temperatures to ensure a strong bond between the layers.
The outstanding technical features of VSG double-layer glass include:
- Strength and impact resistance: The bonding film helps the glass withstand strong impacts without shattering.
- Penetration resistance: Double-layered VSG glass can prevent sharp objects or bullets from penetrating, making it suitable for buildings requiring high security.
- Effective sound insulation: The PVB film layer has the ability to absorb sound, reducing noise from the external environment.
- UV protection: The film also helps filter out ultraviolet rays, protecting the interior and the health of users.
- High durability: Weather-resistant, mold-resistant, and will not yellow over time.
Applications of Double-Layered VSG Glass in Construction Projects
Double-layered VSG glass is widely used in many construction fields due to its superior safety and aesthetic features. Some typical applications include:
Facades and glass windows for high-rise buildings
With its excellent strength and impact resistance, VSG double-layered glass is an ideal choice for high-rise building facades, enhancing safety for both the building and its occupants. Additionally, the glass helps reduce noise and block UV rays, creating a comfortable working and living environment.
Glass doors, interior partitions
In offices and shopping malls, double-layered VSG glass is used for doors and partitions to create open, modern spaces while ensuring safety and effective sound insulation.
Safety glass and stair railings
VSG double-layered glass is also used for stair railings and balcony railings, ensuring safety for users while adding a luxurious and sophisticated look to living spaces.
Car windows and vehicle windows
In the automotive industry, double-layered VSG glass is used for windshields and windows to enhance safety, reduce noise, and protect passengers from UV rays.
Standards and Production Processes for Double-Layer VSG Glass
The production of double-layered VSG glass requires a rigorous process and adherence to international standards to ensure the highest quality and safety. Common standards include:
- Standard EN 12543: Regulations concerning laminated safety glass in construction.
- ASTM C1172 Standard: American Standard for Laminated Safety Glass.
- ISO 12543 Standard: International Standard for Laminated Safety Glass.
The manufacturing process for double-layered VSG glass includes the following main steps:
- Glass preparation: Select a glass sheet that is suitable in terms of size, thickness, and type (float glass, tempered glass).
- Glass cleaning: Clean the glass surface to remove dirt and grease, ensuring good adhesion with the film.
- Film lamination: Place a PVB or EVA film layer between two sheets of glass.
- Glass lamination: The glass is placed in a vacuum lamination chamber, the air is removed, and it is pressed under high temperature to create a strong bond.
- Quality control: Testing for transparency, durability, strength, and other technical criteria.
Quality control at every stage ensures that VSG double-layered glass achieves optimal performance and meets the stringent requirements of modern construction projects.
Ngoc Quyet Company specializes in supplying VSG glass in a wide variety of types and sizes to suit all construction needs. Please contact us for a price quote and sample assistance at 0966.321.655 .
