Stone paper is made of limestone mineral resources with large reserves and wide distribution as the main raw material (calcium carbonate content is 70-80%) and polymer as the auxiliary material (content is 20-30%). Using the principle of polymer interface chemistry and the characteristics of polymer......
Read MorePet food bags are used for all kinds of pet food packaging. The bags are made of reclosable zippers for easy reuse. Pet food bags on the market are divided into 4 types of packaging bags: flat bags, stand-up bags, gusset bags, and block bottom bags.
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