Archival Clamshell Box
These acid-free archival clamshell boxes are of a high conservation standard with a clean attractive appearance.
Made from 100% cellulose, the clamshell boxes contain no wood particles;
The pH of the card stock is is between 8 and 9.5;
Neutral adhesive is used, 4% calcium carbonate buffer is added for further protection;
The qualities are in line with technical standards of DIN ISO 9706 ANSI/MISO Z3948-1992, ONORM A1119 and are therefore guaranteed to be age resistant according to current knowledge;
The boxes are shipped flat taking up minimum storage space;
PAT (photographic activity test) passed ANSI ISO 18916