SHENGDA White Series W60 Casement UPVC Door

What is unplasticized？
Unplasticized means that no plasticizer (also known as plasticizer) is added. This is widely used in industry, polymer materials additives, plastic flexibility to enhance, easy processing, plasticizer dosage from less to more divided into hard, semi-hard, soft.
UPVC is an unplasticized polyvinyl chloride. It is a hard type of plasticizer and is generally considered to be hard if used in less than 15 portions. About 15-25 PHR is semi-rigid RS-PVC. More than 25 phr of SPVC (Soft-PVC) .
Before we begin to explore the UPVC Window, let's look at the materials that make up the main material of a plastic Window. Includes PVC resins and various processing aids.
Performance of UPVC resin
·High mechanical stability, high hardness
·Resilient
·Impact Resistance
·good abrasion resistance
·Flame retardant and self-extinguishing
·Alkali and acid resistance
·Weather Resistant
·Weldable
·not harmful to humans or the environment
·Low thermal conductivity

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