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Makroblend® KU 2-7940

Polycarbonate + PBT

Supplied by Bayer MaterialScience AG

The technical datasheet with complete property values for Makroblend® KU 2-7940 is available to members of the Prospector Plastics Database.
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Product Description
(PC+PBT)-blends, impact modified, Injection molding grade, high toughness at low temperatures, unreinforced, applications: automotive bumpers
General  
Material Status 
  • Commercial: Discontinued
Availability 
  • Africa & Middle East
  • Europe
  
Additive 
  • Impact Modifier
Features 
  • Impact Modified
  • Low Temperature Toughness
  
Uses 
  • Automotive Applications
  • Automotive Bumper
  
Forms 
  • Pellets
Processing Method 
  • Injection Molding
Physical
Nominal Value
Unit
Test Method
Density
lb/in³
 ISO 1183 2
Apparent Density
g/cm³
 ISO 60
Melt volume-flow rate (260°C/5.0 kg)
in³/10min
 ISO 1133 2
Molding Shrinkage
     ISO 294-4
--
%
  
194°F, 1 hr
%
  
Water Absorption
     ISO 62 2
Saturation
%
  
Equilibrium
%
  
Mechanical
Nominal Value
Unit
Test Method
Tensile modulus
psi
 ISO 527-2 2
Tensile Stress (Yield)
psi
 ISO 527-2 2
Tensile Strain (Yield)
%
 ISO 527-2 2
Nominal strain at break
%
 ISO 527-2 2
Flexural Modulus 3
psi
 ISO 178
Flexural Strength 3
psi
 ISO 178
Impact
Nominal Value
Unit
Test Method
Charpy notched impact strength
     ISO 179/1eA 2
-22°F
ft·lb/in²
  
73°F
ft·lb/in²
  
Charpy impact strength
     ISO 179/1eU 2
-22°F
 
  
73°F
 
  
Notched Izod Impact Strength
     ISO 180/A
-40°F
ft·lb/in²
  
-22°F
ft·lb/in²
  
73°F
ft·lb/in²
  
Unnotched Izod Impact Strength
     ISO 180/1U
-22°F
 
  
73°F
 
  
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load (264 psi)
°F
 ISO 75-2 2
Vicat Softening Temperature (50°C/h, B (50N))
°F
 ISO 306 2
CLTE
     ISO 11359-2 2
Flow
in/in/°F
  
Transverse
in/in/°F
  
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL
     UL 94
0.0315 in
 
  
0.0630 in
 
  
Additional Information
The values listed as Molding Shrinkage, ISO 294-4, were tested in accordance with ISO 2577.
ISO Shortname: ISO 7792-1-PC/PBT, MHPR, -020
Flexural Strain at Flexural Strength, ISO 178, 2 mm/min: 5.8%
Gottfert Melt Viscosity, Bayer Test, 165 1/s, 260°C: 570 Pa-s
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Makroblend® KU 2-7940, Makroblend KU 27940, Makroblend® , Makroblend, MakroblendKU27940, KU 2, KU 2-7940, KU 27940, KU 2:7940, KU 2/7940, KU 2+7940, KU 2_7940, KU 2 7940, KU2, 27940, KU27940, KU2_7940, Polycarbonate + PBT, Polycarbonate PBT, Polycarbonate : PBT, Polycarbonate / PBT, Polycarbonate - PBT, Polycarbonate _ PBT, Polycarbonate PBT, PC+PBT, PCPBT, PC:PBT, PC/PBT, PC-PBT, PC_PBT, PC PBT, Polycarbonate, PC, Bayer Euro, PolycarbonatePBT, Polycarbonate_PBT, 2KU
Features
Features may also be described by the following terms: Low Temperature Toughness.
Uses
Uses may also be described by the following terms: Automotive Applications, Automotive Sector, Automotive Bumper, Automotive Bumpers.
Notes
1Typical properties: these are not to be construed as specifications.
2Tested in accordance with ISO 10350. 23°C/50%r.h. unless otherwise noted.
30.079 in/min
 
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.