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Subject: Additives in polypropylene

Additives in polypropylene

From: Michael Lester <mlester>
Date: Monday, November 6, 2000
In a statement from a polypropylene film supplier, phenol/phosphite
based antioxidants at approximately 1000 ppm are listed as an
additive. Can anyone tell me anything about this type of antioxidant
( or where I can find it for myself) and whether the quantity is
what should be expected.

Michael Lester
Preservation Materials Officer
Collection Protection Program
State Library of Victoria
328 Swanston Street
+61 3 9669 9723
Fax: +61 3 9669 9616

                  Conservation DistList Instance 14:26
                Distributed: Wednesday, November 8, 2000
                       Message Id: cdl-14-26-018
Received on Monday, 6 November, 2000

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