Norstab® 7021

Calcium zinc stabilizer. The addition of epoxidized soybean oil and / or liquid phosphite will extend the color hold and overall stabilization life. It consists zinc content of 7.1% to 8.7% and calcium content of 0.3 to 0.6%. It is designed for FDA regulated clear rigid PVC bottles. Recommended used level is 0.75 to 1.25 phr with 4 to 5 phr epoxidized soybean oil.