How Drones for Police are Enhancing Law Enforcement ... - police use drone
Tan Board: Colorfast tan acid & lignin-free archival quality board with a 3% calcium carbonate buffered (8.5 pH). Long fibered laminated board provides extra strength during storage & handling. Board is manufactured with a smooth stain & soil resistant surface. Sturdy board folds along the grain and holds its shape during long term storage. Passes the ANSI standard Photo Activity Test, (a test to evaluate board & papers that store photographic materials). Custom sizes available upon request.
Barrierboard soundproofing
Light Grey and Dark Grey Board: Colorfast standard dark grey (to match existing collections), acid-free archival quality board with a 3% calcium carbonate buffered (8.5 pH). Board has a smooth stain & soil resistant outer surface and a heavyweight white acid & lignin-free interior liner sheet. Passes the ANSI standard Photo Activity Test, (a test to evaluate board & papers that store photographic materials). Sturdy board folds along the grain and holds its shape during storage and handling. Custom sizes available upon request.