Time is really fast, today is May 9, Mother's Day is coming soon. Two days ago because of industrial power outages, so Dongguan Su Plastic mold factory editor I did not release a new article, today, we introduce the plastic mold used under the plastic thermal performance classification.
Features: This plastic in the non-heating, the resin molecules were linear or branched structure; after heating softened and melted into a viscous liquid can flow, can shape a certain shape, after cooling to maintain the shape has been formed. If the molded article is heated again, it can be melted and can be molded again into a shaped article, so that it can be repeated.
2, thermosetting plastics
Features: This plastic in the non-heating, the resin molecules were linear or branched structure; after heating softened and melted into a viscous liquid can flow, when heated to a certain time, the cross-linking reaction occurs, the formation of Body structure and curing molding; on the molded products and heating, can not melt.
Type: phenolic plastic, aminoplast, epoxy plastic, unsaturated polyester plastic, melamine plastic and so on.
Note: The above information from the Jiezheng mold on the Internet, welcome reproduced, indicate the source!