Envelopes

These envelopes are lignin free with an approximate pH of 7.0 and a high alpha cellulose content. Perfect for storing any prints and color negatives. Any artifacts that contain animal proteins are best stored in unbuffered material.

These envelopes are lignin free with an approximate pH of 7.0 and a high alpha cellulose content. Perfect for storing any prints and color negatives. Any artifacts that contain animal proteins are best stored in unbuffered material.

These envelopes are buffered with 3% calcium carbonate to help counteract migrant acidity. Perfect for storing nitrate and acetate negatives and newspaper clippings. Cellulose fibers such as cotton, flax, linen and jute, as well plant-based specimens, can be stored in buffered material.

These envelopes are buffered with 3% calcium carbonate to help counteract migrant acidity. Perfect for storing nitrate and acetate negatives and newspaper clippings. Cellulose fibers such as cotton, flax, linen and jute, as well plant-based specimens, can be stored in buffered material.

These envelopes are lignin free with an approximate pH of 7.0 and a high alpha cellulose content. Perfect for storing any prints and color negatives. Any artifacts that contain animal proteins are best stored in unbuffered material.

These envelopes are lignin free with an approximate pH of 7.0 and a high alpha cellulose content. Perfect for storing any prints and color negatives. Any artifacts that contain animal proteins are best stored in unbuffered material.