Knowledge Base:  
Are bags okay for use in archiving?
Last Updated: 03/31/2010
Yes. Our bags are safe for archiving & conservation purposes. Polypropylene is the most widely accepted commercial archival storage material in the United States. It is recommended by both the International Organization for Standardization ISO 10214:1991(E) Sect 4.3 & the American National Standards Institute ANSI IT9.2-1991 Sec 3.3. The polypropylene used in our bags is naturally acid free & lignin free.

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