This is a Fourdriniermade paper with a vellum surface. It has a full archival specification available on request. It is made from alpha Cellulose Woodpulp, is acid free and calcium carbonate buffered to pH8.5, free of optical brightness. It is ultimately sized with Aquapel and surface sized with starch. It is lightfast.
Pulp Type : 100% ECF Chemical Pulp (Woodfree Alpha Cellulose)
Buffer : 5% Calcium Carbonate.
Sizing : Neutral AKD
OBA : None
Light Fastness : 5 - 6 Blue Wool Scale (Dyes - Organic Pigment)
Chloride % as NaCL : < 0.05
Sulphate % as Na2SO4: < 0.10
Reducible Sulphur ppm: 0.5
Silver Tarnish Test : Negative
Lignin Free : Lignin Free
pH TAPPI (Cold Extract) >8.5
Passes the PAT (Photographic Activity Test ISO 14523)
Does not contain a Fungicidal treatment.