1. we make important filler filler is calcium powder (calcium carbonate), there are some fillers like: talc, kaolin, etc.
2. is the carrier selection, carrier determines the use of filler performance, and cost. Filler of the price and carrier selection has a lot to do.
3. is the selection of additives, additives are mainly divided into dispersants and surface treatment agents. Masterbatch dispersant to improve liquidity, and surface treatments can change the surface activity of inorganic fillers.