What is uPVC extrusion?

What is uPVC extrusion? uPVC stands for Unplasticized Polyvinyl Chloride which was the chemical combination between normal PVC and other stabilizers like Heat Stabilizer, Light Stabilizer, Titanium Di Oxide (TiO2) and fillers. The extrusion is neat without bubble on the surface. … Why is extrusion used for uPVC window frames? Read more…