From a conservation science perspective, several issues arise:
Furthermore, Kamar Varnish is "acid-free." In the world of archival art preservation, acidity is the enemy. Acid causes paper and canvas to become brittle and brown over time. By using an acid-free spray, you ensure the structural integrity of your substrate remains intact for the long haul. Compatibility Across Different Media krylon kamar varnish
One of its most unique attributes is that it is "re-workable." Unlike permanent sealants, you can actually paint over Kamar Varnish once it is dry. This allows artists to seal a layer of work, continue painting, and then apply a final coat once the piece is finished. From a conservation science perspective
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