Adsorps gas harmful to cultural properties Superior Adsorption Performance The concentration of acetic acid gas and ammonia gas that are harmful to cultural properties can be reduced and maintain. Furthermore, the sheet itself hardly emits any of the gas it adsorped and contributes to maintaining an environment inside exhibition case. Easy to Use Since the sheet is as thin as 0.24 mm, it can be easily cut in any shape or size. A pair of scissors is all what you need. PAT Certified The safety of the sheet has been proven by the PAT (Photographic Activity Test; a test to determine the chemical influence on photographic materials that are more sensitive than paper materials). Management with Indicators The sheet can be replaced before the gas adsorption effect disappears, making it easy to maintain and manage the improved environment. Just after starting Since no large-scale construction or equipment is required, it is possible to easily take measures to protect cultural properties. Acetic acid indicator Flexible Adjustment Using the adsorption sheets in layers enables to adjust the proper environment to the exhibits and the display duration. Just changing the number of sheets can

Adsorption Performance Elapsed time with concentration reduction against acetic acid and ammonia emission resorces 300 Recommended value for acetic acid concentration (170ppb) Recommended value for ammonia concentration （30ppb） Acetic acid Data proves that in only a week after installing the sheet dramatic improvement can be seen in an environment of high acetic acid and ammonia concentrations. After the installation, for 100 days, we have confirmed that the recommended acetic acid concentration of 170 ppb and the recommended ammonia concentration of 30 ppb or less set by the Tokyo National Research...