Blown film filler masterbatch used blown film grade polyethylene resin as carrier,high-quality ultrafine calcium carbonate as main in-gredients.And then they were processed by special arts and crafts and advanced mixing extrusion equipment,blown film filler master-batch was made in the end.It has good dispersity and fusibility,is suitable for PE,PP blow molding,and has been widely used in thin polyethylene products suchas agricultural film,garbage bags,inner film,vest bag and plastic tablecloth,etc.The mechanical proper-ties,appearance and content of manufactured products are all superior to similar filler masterbatch.