Ultrapolymers
Monday, August 11, 2025
Lupolen 5121 A
Units 
LyondellBasell Industries - High Density Polyethylene
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General Information
Product Description
Lupolen 5121 A is a high molecular weight high density polyethylene resin used in blow molding applications. Typical customer applications include packagings for dangerous goods and consumer goods. It exhibits high rigidity and ESCR as well as good flowability and organoleptic properties. Lupolen 5121 A is delivered in pellet form, contains antioxidants and has a broad molecular weight distribution. Lupolen 5121 A is not intended for use in medical and pharmaceutical applications.
General  
Material Status 
  • Commercial: Active
Availability 
  • Africa & Middle East
  • Asia Pacific
  • Europe
  • Latin America
  
Additive 
  • Antioxidant
Features 
  • Antioxidant
  • Chemical Resistant
  • Good Processability
  • High ESCR (Stress Crack Resist.)
  • High Impact Resistance
Uses 
  • Industrial Applications
  • Jerricans
  • Packaging
Processing Method 
  • Extrusion Blow Molding
Properties 1
Physical
Nominal Value
Unit
Test Method
Density
0.951
g/cm³
 ISO 1183
Apparent (Bulk) Density
> 0.50
g/cm³
 ISO 60
Melt Mass-Flow Rate (MFR) (190°C/21.6 kg)
5.0
g/10 min
 ISO 1133
FNCT - 3.5 MPa, 2% Arkopal N100 (80°C)
16.0
hr
 ISO 16770
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus
1050
MPa
 ISO 527-1
Tensile Stress (Yield)
25.0
MPa
 ISO 527-2
Tensile Strain (Yield)
7.0
%
 ISO 527-2
Impact
Nominal Value
Unit
Test Method
Tensile Impact Strength 2 (-30°C)
150
kJ/m²
 ISO 8256/1A
Thermal
Nominal Value
Unit
Test Method
Melting Temperature
131
°C
 ISO 11357-3
Processing Information
Injection
Nominal Value
Unit
 
Processing (Melt) Temp
180 to 220
°C
  
Notes
1Typical properties: these are not to be construed as specifications.
2Notched
 
Customer is responsible for determining whether products and the information in this document are appropriate for Customer’s use and for ensuring that Customer’s workplace and disposal practices are in compliance with applicable laws and other governmental enactments. Seller assumes no obligation or liability for the information in this document. NO WARRANTIES ARE GIVEN; ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY EXCLUDED.