Archival Envelopes Perma Dur® Buffered

Acid-free and lignin-free archival envelopes made of premium Perma/Dur® stock, for all types of documents, pamphlets and clippings.

• Sturdy 120 gsm Perma/Dur® stock
• Buffered with approximately 3% calcium carbonate for protection from migrant acidity
• Neutral pH adhesive and an un-gummed flap to help keep out dust and light
• PAT (Photographic Activity Test) passed

Available sizes (packs of 100):

• 112 x 162 mm (4" x 6")
• 162 x 239 mm – A5 (6" x 9")
• 188 x 264 mm (7" x 10")
• 216 x 267 mm (8.5" x 10.5")
• 220 x 307 mm – A4 (9" x 12")
• 340 x 264 mm (10" x 13")
• 292 x 381 mm (11.5" x 15")