Pro-fax 8523



Pro-fax 8523 very high impact polypropylene copolymer is available in pellet form. This resin is typically used in extrusion or injection molding applications and offers excellent low temperature impact resistance.

ASTM and ISO-based versions of the technical data sheet are available for Pro-fax 8523.


North America


SDS - Safety Data Sheet
PSB - Product Stewardship Bulletin

Product Data and Technical Information

Typical Properties

Melt Flow Rate (230 °C/2.16 kg) 4.0 g/10 min
Density (23 °C) 0.90 g/cm³
Density (23 °C, Method A) 0.90 g/cm³
Flexural Modulus (23 °C) 970 MPa
Flexural Modulus (0.05 in/min, 1% Secant, Procedure A) 140000 psi
Flexural Modulus (1.3 mm/min, 1% Secant, Procedure A) 965 MPa
Tensile Strength at Yield (2 in/min) 3100 psi
Tensile Strength at Yield (50 mm/min) 21 MPa
Tensile Stress at Yield (23 °C) 21 MPa
Tensile Elongation at Yield 8 %
Tensile Strain at Yield (23 °C) 9 %
Notched Izod Impact Strength (73 °F, Method A) No Break ft-lb/in
Notched Izod Impact Strength (23 °C, Method A) No Break J/m
Deflection Temperature Under Load (66 psi, Unannealed) 165 °F
Deflection Temperature Under Load (0.45 MPa, Unannealed) 74 °C


Injection Molding, Sheet and Profile Extrusion


Polypropylene, Impact Copolymer


Automotive Parts