
Industry Leading Polyamide Material K54 Thermal Barrier Strip for Doors and Windows. Superior Insulation Performance: Significantly reduces electricity consumption in summer and winter compared to aluminum windows. Excellent Durability: Resists corrosion, weather, and alkali, extending service life and reducing total ownership costs. Customized Color Options: Available in single color black with laser printing customization capabilities. International Compliance: Meets GB/T 23615.1-2017, EN 14024, and AAMA TIR-A8 standards with ISO 9001 certification. High Tensile Strength: Delivers exceptional strength of 2120 MPa with ultra-low thermal conductivity of 0.22-0.28 W/(m-K). Flexible Customization: Supports custom profiles, mold design via CAD, and OEM/ODM services with exclusive ownership. Rapid Delivery Options: 7-15 days for standard orders, 3-4 weeks for customization, with air freight available in 3-5 days.