Factors affecting plastic shrinkage include plastic species, molding conditions, mold structure, etc. Different plastics have different shrinkage rates. In addition, the shrinkage rate of plastics has a lot to do with the shape of the plastic part, the complexity of the internal structure, and whether there are inserts.

1. Oil absorption value 2. Particle size and distribution 3. Filling volume 4. Thixotropy 5. The combination of fillers

comprehensive look at the color masterbatch, including common classification, basic components, color masterbatch production process and equipment, and finally look at the application and future development of color masterbatch.

Filler masterbatch with heavy calcium carbonate , suitable for the production of various products of polyethylene and polypropylene.1. It has good dispersibility, excellent compatibility with polyethylene and polypropylene, and does not fall off even when used in a high proportion of filling;