Name: Polyurethane Energy-Saving Sub-Frame
Features: Polymer eco-friendly material, high strength
Application: Doors and windows
Functions: Waterproof, moisture-proof, fire-resistant, crack-resistant
Hardness: ≥58 HRR
Specification: 100*50
Thermal Conductivity: 0.114 W/m·K
Flexural Strength: 1442 MPa
Fire Resistance: Entire window can withstand fire for up to 1 hour
Color: Customizable
Main Material: Polyurethane
Condition After Heating: No deformation, no bubbles, no cracking
Density: ≥1.2 g/m3
Process: Extrusion
Origin: Changzhou
Manufacturer: Changzhou Bailian Composite Materials Co., Ltd.
Glass Fiber Reinforced Polyurethane (abbreviated as GRPU) is a high-performance composite material. It uses non-woven glass fiber yarn as the reinforcement material and polyurethane resin as the matrix resin, produced through injection impregnation pultrusion process. Due to its fiber reinforcement, it exhibits high compressive, tensile, and flexural strength. With increasing national requirements for building energy efficiency, this material has broken through into the energy-saving doors and windows field due to its unique advantages such as sound insulation, thermal insulation, fire resistance, aging resistance, low linear expansion coefficient, energy efficiency, and environmental friendliness.

In the application of doors and windows, polyurethane energy-saving sub-frames have significant advantages compared to broken bridge aluminum alloy and plastic steel. The doors and windows made from this material excel in thermal insulation, wind pressure resistance, air tightness, water tightness, sound insulation, fire resistance, corrosion resistance, and other performance aspects. Additionally, the surface of the profiles can undergo various coating treatments for rich visual effects.