These archival file folders are acid-free and lignin-free, offering maximum protection for storage of letters, documents and other materials.
Made of our exclusive Perma/Dur® 260gsm folder stock, these full-cut file folders possess superior folding characteristics and outstanding strength qualities assuring long life and protection.
- Reinforced tab makes folder stiffer and is more resistant to damage when handling
- Folders are lignin-free and acid-free
- Strictly controlled pH level (8.5± ) buffered with 3% calcium carbonate for an alkaline reserve to assure a safe and protective environment for material stored within these folders.
- PAT (photographic activity test) passed ANSI ISO 18916
Available in both letter and legal size.














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