Lupolen 4261A Q135



Lupolen 4261A Q135 is a high molecular weight high density polyethylene. Typical customer applications include automotive fuel tank applications. It is supplied in powder form and is stabilized with antioxidants for the extrusion process. The product features an outstanding Environmental Stress Cracking Resistance (ESCR), good chemical resistance in combination with an excellent low temperature impact resistance. Typical processes include blow molding and thermoforming.
Lupolen 4261A Q135 is not intended for use in medical and pharmaceutical applications.


Africa-Middle East, Asia-Pacific, Australia and New Zealand, Europe, North America, South & Central America


SDS - Safety Data Sheet
PSB - Product Stewardship Bulletin

Product Data and Technical Information

Typical Properties

Melt Flow Rate (190 °C/21.6 kg) 6.0 g/10 min
Density 0.945 g/cm³
Bulk Density >0.490 g/cm³
Tensile Modulus 900 MPa
Tensile Stress at Yield 24 MPa
Tensile Strain at Yield 10 %
Environmental Stress Crack Resistance F₁₀ (10% Igepal®, Cond B) 1000 hr
FNCT (3.5 MPa, 2% Arkopal N100, 80 °C) 80 hr
Tensile Impact Strength 170 kJ/m²
Melting Temperature 131 °C
Melt Temperature 180 - 220 °C

Technical Data Sheet

Technical Data Sheet


Extrusion Blow Molding, Thermoforming


High Density Polyethylene


Fuel Tanks