
Smooth Surface Window Mullion Thermal Break Aluminum Profile for Casement Windows. Thermal Break Structure: PA66 nylon strip cuts heat conduction, reducing energy consumption. High-Strength Material: 6063-T5 alloy ensures strong bearing capacity and no deformation. Durable Coating: Vertical powder coating offers 15-year outdoor service life. Customization Available: Custom molds, colors, and deep processing services offered. Energy Efficiency: Meets EU passive house requirements with excellent insulation. Corrosion Resistance: Ideal for coastal areas with high humidity and strong sunlight. Easy Assembly: Standard buckle slot design allows tight sealing and quick installation. Comprehensive Certifications: ISO9001, CE, and RoHS compliant for global markets.