
Plastic UPVC Sliding Window Profiles Lead Free. Lead Free UPVC Material: Made from unplasticised PVC, ensuring safety and durability for window frames. Excellent Weather Resistance: Withstands extreme heat, cold, wind, and rain without corroding or peeling. Superior Thermal Insulation: Heat insulation effect is 1250 times better than aluminum material. High Impact Resistance: Resists cold impact tests and bears 1kg hammer drops from 1 meter height. Anti-Aging & UV Protection: Does not discolor or become brittle even under direct sunlight and humidity. Fire-Proof Performance: Made of combustion-retarding material that extinguishes fire by itself. Customizable Options: Customized style, logo, and packaging details available for orders. Low Maintenance Design: Resistant to ash, cement, and binding agents, requiring almost no maintenance.