LyondellBasell Australia’s Polypropylene grade Moplen HP555E is a very low flow homopolymer with a conventional molecular weight distribution and is formulated with an enhanced process stability additive package. Moplen HP555E is designed for extrusion processes which demand high melt strength and melt stability characteristics. End use products typically made from Moplen HP555E include strapping, mechanically fibrillated yarns, profiles and blow moulded packaging.