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.
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Norstab® 7021 properties
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| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Calcium (Ca) content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Zinc (Zn) content | 0.0 Visible After Login | Visible After Login | Visible After Login |