25 x 38" Unbuffered Envelope Stock (100-Pack)

Part #: ULF3240
  • Passed P.A.T.

$354.20 USD

This 25 x 38" Unbuffered Envelope Stock (100-Pack) is designed without buffering agents that can harm or discolor photographic materials. The envelope stock is lightfast and colorfast with excellent folding qualities.
  • Ideal for making envelopes and folders for photographs and negatives
  • Made from 70 lb. text for durability and excellent folding qualities
  • Designed without buffering agents that can damage or discolor photographic materials
  • Colorfast and lightfast
  • It is recommended that all blueprints, cyanotypes (old blue photos), albumen prints (a photograph printed on paper that is coated with an emulsion of egg whites) and early color photographs be protected and stored in unbuffered material
Buffered No
Acid-free Yes
Lignin-free Yes
pH 8.0–8.5
Passed P.A.T. Yes
Material Weight 70 lbs.
Color White
Height (in.) 25
Width (in.) 38
Features +
  • Ideal for making envelopes and folders for photographs and negatives
  • Made from 70 lb. text for durability and excellent folding qualities
  • Designed without buffering agents that can damage or discolor photographic materials
  • Colorfast and lightfast
  • It is recommended that all blueprints, cyanotypes (old blue photos), albumen prints (a photograph printed on paper that is coated with an emulsion of egg whites) and early color photographs be protected and stored in unbuffered material
Specs +
Buffered No
Acid-free Yes
Lignin-free Yes
pH 8.0–8.5
Passed P.A.T. Yes
Material Weight 70 lbs.
Color White
Height (in.) 25
Width (in.) 38
ODC