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Borstar® FB4370

Polyethylene

Supplied by Borealis AG

The technical datasheet with complete property values for Borstar® FB4370 is available to members of the Prospector Plastics Database.
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Product Description
Borstar FB4370 is a polyethylene grade combining excellent extrusion properties with high film stiffness.

Borstar FB4370 contains antioxidant.
General  
Material Status 
  • Commercial: Active
Availability 
  • Europe
  • North America
  • South America
Additive 
  • Antioxidant
Features 
  • Antioxidant
  • High Stiffness
  • Recyclable Material
Uses 
  • Blending
  • Film
  • Laminates
  • Packaging
  • Shrink Wrap
Forms 
  • Pellets
Processing Method 
  • Extrusion
Physical
Nominal Value
Unit
Test Method
Density
g/cm³
 ISO 1183
Melt Mass-Flow Rate (MFR)
     ISO 1133
190°C/2.16 kg
g/10 min
  
190°C/5.0 kg
g/10 min
  
Mechanical
Nominal Value
Unit
Test Method
Coefficient of Friction
 
 ISO 8295
Films
Nominal Value
Unit
Test Method
Film Thickness - Tested
mil
  
Secant Modulus
     ASTM D882A
MD
psi
  
TD
psi
  
Tensile Strength
     ISO 527-3
MD
psi
  
TD
psi
  
Tensile Elongation
     ISO 527-3
MD: Break
%
  
TD: Break
%
  
Dart Drop Impact
g
 ISO 7765-1
Elmendorf Tear Strength
     ISO 6383-2
MD
lbf
  
TD
lbf
  
Additional Information
Film properties are measured on 40 µm blown film produced on a 60 mm W&H extruder with L/D 30 and die 200 x 1,2 mm, BUR = 3:1, FLH = 2DD.
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Borstar® FB4370, Borstar FB4370, Borstar® , Borstar, BorstarFB4370, FB 4370, FB4370, Polyethylene, Unspecified, Polyethylene Unspecified, PE, Unspecified, PE Unspecified, Polyethylene, PE, Borealis, PolyethyleneUnspecified, PEUnspecified, 4370FB
Features
Features may also be described by the following terms: High Stiffness.
Uses
Uses may also be described by the following terms: Shrink Wrap.
Extrusion
Nominal Value
Unit
 
Melt Temperature
°F
  
Extrusion Notes
Die Gap: 1.2 to 1.5 mm
Notes
1Typical properties: these are not to be construed as specifications.
 
IDES
Copyright © 2012 IDES
The information presented on this datasheet was acquired by IDES from the producer of the material. IDES makes substantial efforts to assure the accuracy of this data. However, IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.