What are the requirements for book printing materials in Chinese eco-friendly printing?
1. Eco-friendly printing requires water-based or light-curing glazing oil.
2. Eco-friendly printing requires plant powder spraying.
3. Eco-friendly printing requires water-based film-coating adhesive for instant coating film adhesive.
4. Eco-friendly printing requires that the ink, varnish, blanket, and adhesive must not be added with 6 kinds of phthalates.
5. The limit for cyclohexanone in the limit of harmful substances in eco-friendly printing products is ≤1.0mg/㎡.
6. Eco-friendly printing puts forward limit requirements for 24 kinds of toxic and hazardous substances contained in printed matter: mainly including 8 kinds of soluble elements and 16 kinds of volatile organic compounds remaining on printed matter.
7. The amount of alcohol added to the fountain solution used in printing book activities should be ≤5%.
8. In the limit of harmful substances in lithographic book printing, xylene is required to be ≤0.25mg/㎡.
9. Recycled paper is paper produced by processing waste paper as raw material, shredding, decolorizing and pulping, and then processed through a variety of complex processes.
