Manufacturing Industry

More Weatherable [TiO.sub.2]Lets PVC Bask in the Sun.

Plastics Technology, September, 2000

A special grade of titanium dioxide pigment for outdoor rigid PVC profiles such as windows and siding is newly available from DuPont Co., Wilmington, Del. Ti-Pure R-105 is said to combine high opacity, neutral undertone, and moderate tinting strength. It also utilizes new silica encapsulation technology to minimize interactions with the resin and other additives that can produce chalking and crazing on outdoor exposure.

R-105 is also treated with an organic agent to improve bulk-flow properties and minimize water pick-up.

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