ColorMount is a porous tissue coated on both sides with a low temperature adhesive that bonds while hot. Permanent bonding occurs at 185 degreeF. Specially formulated for permanent low-temperature dry-mounting. Can be used for RC photographs. It's also an excellent general-purpose adhesive for most other mounting applications €š including slick poster materials €š blueprints €š lithographs and other smooth artwork. Works well with almost all mounting substrates - cardboard €š foam boards €š Masonite €š aluminum and Plexiglas.