PVB / SGP Film Extrusion Line
High-Performance Laminated Glass Interlayer Film Production Technology
The PVB / SGP Film Extrusion Line is a fully integrated extrusion system developed for the production of high-quality PVB and SGP interlayer films used in automotive, architectural, and safety glass applications. Covering the entire process from raw material feeding to film winding, this system delivers high production efficiency, consistent quality, and energy savings.
Thanks to advanced twin-screw extruder technology, additives are distributed homogeneously, film thickness is precisely controlled, and products with excellent optical properties are achieved. The system is designed for continuous, stable, and industrial-scale production.
What Are PVB and SGP Films?
PVB (Polyvinyl Butyral) film is a specialized polymer interlayer used in laminated glass production, offering high transparency, excellent adhesion to glass, and superior impact resistance. It is widely preferred in automotive windshields and architectural safety glass applications.
SGP film, compared to PVB, provides significantly higher mechanical strength, rigidity, and shear resistance. These properties make it ideal for high-security façade glass, large-span architectural structures, and advanced engineering solutions.
Key Features of the Production Line
• Fully integrated line structure including raw material feeding, extrusion, cooling, thickness control, and winding
• Superior mixing and homogeneous structure with twin-screw extruder technology
• High transparency and excellent surface quality
• Automatic thickness and width control systems
• Energy-efficient and sustainable production design
• Industrial construction for continuous and stable operation
Technical Capacity Ranges
Film width
– Up to 4000 mm
Film thickness
– 0.3 – 1.5 mm
Production capacity
– 300 – 600 kg/hour
These technical ranges allow the system to meet diverse product requirements for both the automotive sector and architectural glass applications.
Production Process
The production line consists of the following steps:
Controlled feeding of raw materials and additives
Special cooled feeding system designed for adhesive materials
Melting, mixing, and degassing in the twin-screw extruder
Film forming through an automatic T-die
Online thickness measurement and adjustment
Cooling, hauling, and precision film winding
This configuration enhances product quality, reduces scrap rates, and ensures continuous and reliable production.
Application Areas
• Automotive laminated glass
• Architectural façade and safety glass
• Bullet-resistant and special security glass
• Photovoltaic panel glass
• Aerospace and advanced engineering applications
Why Choose the Useon PVB / SGP Film Line?
• Turnkey, fully integrated system concept
• Proven industrial-scale production performance
• Optimized process for high-quality film production
• Low operating costs and long service life
• Flexible design adaptable to different formulations and product types
