Moplen HP555G



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.


Asia-Pacific, Australia and New Zealand


SDS - Safety Data Sheet
PSB - Product Stewardship Bulletin

Product Data and Technical Information

Typical Properties

Melt Flow Rate (230 °C/2.16 kg) 1.3 g/10 min
Density (23 °C, Method D) 0.90 g/cm³
Flexural Modulus 1450 MPa
Tensile Stress at Yield 33 MPa
Notched Izod Impact Strength (23 °C) 7.5 kJ/m²
Shore Hardness (Shore D) 75
Vicat Softening Temperature 155 °C
Heat Deflection Temperature B (0.45 MPa, Unannealed) 92 °C

Technical Data Sheet

Technical Data Sheet


Extrusion Blow Molding, Sheet


Polypropylene, Homopolymer


Panels & Profiles, Strapping