LyondellBasell Australia’s Polypropylene grade Moplen HP555G is a low flow homopolymer with a conventional molecular weight distribution and is formulated with an enhanced process stability additive package. Moplen HP555G is designed for extrusion processes that demand high melt strength and melt stability characteristics. End use products typically made from Moplen HP555G include strapping, mechanically fibrillated yarns and profiles.