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Durable Multi-Cavity Shape HK Thermal Barrier Bar for Curtain Wall Heat Insulation. High Performance Material: Made of Polyamide66 reinforced by 25% Glass Fiber for superior strength. Customized Laser Printing: Supports customized laser printing on the thermal barrier strips. Long Service Life: Designed for a lifespan of more than 40 years with high durability. Weather and UV Resistance: Excellent resistance to UV, weather, heat, and alkali corrosion. Customizable Shapes: Various shapes designed to meet specific customer requirements. Fast Delivery: Common specifications shipped within 7-15 working days after deposit. Comprehensive Warranty: Includes 12 months warranty and online after-sales service.