1. PE Filler masterbatch is a polyethylene based master batch containing 65-80% calcium carbonate. It is grayish white with excellent dispensability. 2. It helps improve for machineâ??s extrusion efficiency and increase film & moldâ??s physical properties. 3. It can be mixed with polyethylene resin for film blowing, casting, extrusion etc. and is easy to disperse with good compatibility. It functions as a modifier to improve the heat resistance, slip resistance, size stability and printability. It also reduces heat release from burning and therefore it prevents further environmental pollution.