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Building Stability Through International Diversification
Poly vinyl chloride refers to the resin used to produce vinyl, or can refer to the actual finished vinyl product after additives are included. PVC is also used interchangeably with the word vinyl. uPVC is the term used in many countries to refer to ultraviolet (UV)-protected PVC. All PVC, therefore, used to produce exterior vinyl products by reputable manufacturers is also uPVC.
According to the Merriam-Webster Dictionary, resin is “any of a large class of synthetic products that have some of the physical properties of natural resins but are different chemically and are used chiefly in plastics.” There are several grades of PVC resin, from high-quality, window-grade resin to a lower-quality, commercial-grade resin. The poly vinyl chloride resin used in the production of Westech’s vinyl products is formulated to meet the industry’s highest standards.
Also known as titanium dioxide, it is the most commonly used compound used to provide UV protection. There are at least two grades of TiO2: uncoated (or chalking) grade and coated (or durable, non-chalking) grade. Coated TiO2 particles chalk at a much slower rate, providing a more lustrous finish over the life of the product it protects. Titanium dioxide is not noxious. In fact, it is used as a preservative and is also used to color baked goods, such as the popular white-powdered donuts!
Raw material, Additives Crude oil, natural gas and salt are the basic raw materials used in the production of poly vinyl chloride (PVC) resin. Westech’s vinyl compounds are formulated from premium grade raw materials and additives, including UV inhibitors, impact modifiers, stabilizers and toners. Westech’s proprietary formulations are built upon Westlake’s years of chemical and technical leadership.
Mathematical calculations used in determining how well a product (such as fencing) will withstand a particular wind velocity (or windload) before failure may occur.