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Depending on the method, a varying amount of chlorine is introduced into the polymer allowing for a measured way to fine-tune the final properties. The chlorine content may vary from manufacturer to manufacturer; the base can be as low as PVC 56.7% to as high as 74% by mass, although most commercial resins have chlorine content from 63% to 69%.
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Roughly half of the world's PVC resin manufactured annually is used for producing pipes for municipal and industrial applications. [36] In the private homeowner market, it accounts for 66% of the household market in the US, and in household sanitary sewer pipe applications, it accounts for 75%.
The Axiall Corporation is a manufacturer and marketer of chlorovinyls (caustic soda, chlorine, VCM, EDC, PVC resins, PVC rigid and flexible compounds) and aromatics (acetone, cumene, phenol). [1] With the acquisition of Royal Group Technologies the company is now also a major producer of building materials ranging from piping and siding to ...
Recycling codes on products. Recycling codes are used to identify the materials out of which the item is made, to facilitate easier recycling process.The presence on an item of a recycling code, a chasing arrows logo, or a resin code, is not an automatic indicator that a material is recyclable; it is an explanation of what the item is made of.
It is an important industrial chemical chiefly used to produce the polymer polyvinyl chloride (PVC). Vinyl chloride is a colourless flammable gas that has a sweet odor and is carcinogenic . Vinyl chloride monomer is among the top twenty largest petrochemicals ( petroleum -derived chemicals) in world production. [ 2 ]
PVC is also a common material in vinyl action figures, especially in countries such as Japan, where the material is used extensively in so-called Sofubi figures (Soft vinyl toys [7]). As PVC bends easily and has a tendency to be bent during transit, a method to mitigate this deformation is to heat the plastic until it becomes mobile, then ...
As of 2005, FPC is the largest producer of PVC resins in Taiwan. When FPC's American operations are also considered, the company's total PVC resin capacity is 2.83 million metric tons per year, the second highest in the world after Shin-Etsu Chemical , which has 3.55 million metric tons per year as of May 2010 (expanding to 3.85 million metric ...