PVC hard materials mostly from construction materials, steel windows and doors, plating the hard plate, chemical plastic valves, drain, and decorative materials.
1. First, the selection process, to separate the colors. These materials are first divided into a large white, gray, black three, but not the PP, PE infiltrate.
2. To the mill grinding, but also with water crushed. Remove contaminated with water washing, after drying, to prevent secondary pollution.
3. Ingredients on the mixing machine, mixing. Plus points if the material is white coloring agent, in accordance with the need to put additives.
4. Dedicated to scrape grain PVC extruder, cooling bag label factory.