HDPE and CaCO3 Based Master Batch is suitable for polyolefin, cast and blown film, injection and blow moulding. The Master Batch improves dimensional stability, ESCR of blow mouldings and stiffness. The Master Batch improves whiteness hence saving of pigment and has well anti fibrillations. The HDPE and CaCO3 Based Master Batch improve anti-slip and anti-blocking property and improve printability.