Caco.sub.3 filled siding with improved weathering

Details Caco.sub.3 filled siding with improved weathering Caco.sub.3 filled siding with improved weathering

C - Chemistry, Metallurgy

08

K

400/9380

C08K 3/26 (2006.01) C08K 9/04 (2006.01) C08L 27/06 (2006.01)

Patent

CA 1116769

FDN-960 CaCO3 FILLED SIDING WITH IMPROVED WEATHERING Abstract of the Disclosure White PVC composition and building panel made of such Composition. The PVC composition includes between about 2 and about 50 wt% based on PVC of finely divided amorphous calcium carbonate filler, the particles of which are coated with calcium salt of a fatty acid such as stearic acid and an effective amount of a UV absorber. TiO2 is usually present as a pigment and is also preferably present as the W absorber.

298728

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