Norstab® 7073

Calcium zinc based heat stabilizer. It consists calcium content of 3.1% and zinc content of 0.85%. It has been engineered as an environmentally friendly non-toxic stabilizer for foamed PVC, while providing improved weathering characteristics for outdoor applications. It is specifically designed for foamed profile, board, and sheet applications. Recommended used level is 2.5 to 5.0 phr.