In most cases, narrow control of RH level (minimal fluctuations) is very important.
ARMS, ARMOUR, METALS | 15-40% |
BOTANICAL OBJECTS, DRIED PLANTS, SEEDS | 40-60% |
COINS, NUMISMATIC COLLECTIONS | 35-40% |
ETHNOGRAPHIC BARK, CLOTH, BASKETRY, MANILLA, SISAL, MASKS, FEATHERS, LEATHER GARMENT | 40-60% |
FURNITURE, MARQUETRY | 40-60% |
GEOLOGICAL MATERIAL | 45-55% |
GLASS (crizzled) | 40-60% |
INSECTS, DRIED AND MOUNTED | 40-60% |
IVORIES, BONE CARVINGS | 50-60% |
LACQUER WARES | 60-70% |
LEATHER, SKINS, BINDINGS | 45-60% |
PARCHMENT, VELLUM | 55-60% |
PAPER | 40-50% |
STRETCHED PAPER | 45-55% |
PHOTOGRAPHS, FILMS | 30-45% |
PAINTINGS ON CANVAS | 40-55% |
PAINTINGS ON WOOD, POLYCHROME SCULPTURES | 45-60% |
PAINTED, VARNISHED WOOD, VARIOU | 45-60% |