{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.pgpaper.com\/glossary\/#Article","mainEntityOfPage":"https:\/\/www.pgpaper.com\/glossary\/","headline":"Glossary","name":"Glossary","description":"Paper Glossary Accordian Fold A bindery term where two or more parallel folds open like an accordion. Acid Free A paper that has no acidity and no residual acid producing chemicals. Papers manufactured to a pH of higher than 7.0 (neutral). Adhesive Bound Book binding technique that uses glue or hot melt glue to hold","datePublished":"2016-08-02","dateModified":"2025-04-22","author":{"@type":"Person","@id":"https:\/\/www.pgpaper.com\/author\/pgpaper\/#Person","name":"pgpaper","url":"https:\/\/www.pgpaper.com\/author\/pgpaper\/","identifier":2,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/374b9e8453754ac238e0dc4156217ecac49302c311c61f1bfee49dfdca64dfab?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/374b9e8453754ac238e0dc4156217ecac49302c311c61f1bfee49dfdca64dfab?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"PG Paper","logo":{"@type":"ImageObject","@id":"https:\/\/www.pgpaper.com\/wp-content\/uploads\/2018\/03\/pglogoschema.png","url":"https:\/\/www.pgpaper.com\/wp-content\/uploads\/2018\/03\/pglogoschema.png","width":170,"height":60}},"url":"https:\/\/www.pgpaper.com\/glossary\/"}