About this product

Multi-chamber PVC profiles (3-5 chambers) with 2.3-3.2mm wall thickness, supporting various window styles including sliding, casement, and fixed designs. Features multiple glazing options (11-30mm glass spacing), flexible sealing systems (2-4 seals), and connector angles (90°, 135°, 180°), meeting GB/T 8814-2017 standard with lead-free formulation for extreme weather conditions.