Produced from very fine coated calcium carbonate with powder size: D50=1.8 micron and D97=9.0 micron - AP-ET4 is a good grade for PE film blown - Loading from 10% up to 40% depending on the quality requirement of finished product or on the processing machines. - A great solution of cost saving in production, enhance and improve strength, smoothness, mechanical properties of final plastic products such as films, sheets, yarns, bottles, boxes, containers..etc Processing temperature : 140°C – 23