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UV-Stabilized Tropical-Grade UPVC Window

UV-Stabilized Tropical-Grade UPVC Window Systems Overview | BLOSSOM CHEER

Engineered for tropical climates, our UV-stabilized UPVC windows combine EN 12608 Class S formulas and TiO2 absorbers, delivering decade-long color stability without yellowing or chalking.

Key Benefits of UV-Stabilized Tropical Grade UPVC Windows | BLOSSOM CHEER

EN 12608 Class S Formulas Guaranteeing Zero Yellowing Under Severe UV

High TiO2 compounds achieve ΔE ≤ 2. color stability, stopping chalking and fading under 10,000h solar UV exposure.

Multi-Cell Polymer Chambers Blocking 50°C Exterior Heat Ingress

Natural low-conductivity UPVC keeps interior frames cool under direct 50°C solar radiation, cutting cooling HVAC electricity loads.

100% Lead-Free Ca-Zn Thermal Stabilizers Preventing High-Heat Embrittlement

Eco-friendly formulation preserves polymer impact toughness, eliminating cracking across extreme seasonal temperature shifts.

Dense Micro-Crystalline Skin Resisting Acid Rain and Dust Adhesion

Non-porous co-extruded surfaces resist chemical corrosion and dust cling, allowing self-cleaning by natural rainwater rinses.

EN 12608 Class S xenon-lamp accelerated weathering comparison card after 10,000 hours of UV exposure
EN 12608 Class S xenon-lamp accelerated weathering comparison after 10,000 hours of UV exposure
Infrared thermal imaging showing UPVC frame surface temperatures under 50°C solar exposure
Infrared thermal imaging of UPVC frame temperatures under 50°C solar exposure

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