considering the quality of uPVC profile following points should be taken into consideration—
• Raw Material: The uPVC used should be lead-free and should conform to international standards.
• Wall Thickness: The higher the wall thickness, the stronger and durable it is.
• UV Resistance: Good quality profiles have additives for UV resistance which shall keep the profile away from discoloration and brittleness.
• Colour Consistency: Uniform colour throughout the profile indicates good quality manufacturing.
• Surface Finish: A smooth and uniform surface finish indicates precision in extrusion and quality control.