Makroblend® UT250 Datasheet

Polycarbonate + PET

Supplied by Covestro - Polycarbonates

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Product Description
(PC+PET)-blend, impact modified, easy release, injection molding. Makroblend UT250 offers high heat resistance, good chemical resistance and flowability. Additionally, molded parts from UT250 having exceptional dimensional stability.
General  
Material Status 
  • Commercial: Active
Availability 
  • Africa & Middle East
  • Asia Pacific
  • Europe
  • Latin America
  • North America
Additive 
  • Impact Modifier
Features 
  • Chemical Resistant
  • Good Dimensional Stability
  • Good Flow
  • Good Mold Release
  • High Heat Resistance
  • Impact Modified
RoHS Compliance 
Processing Method 
  • Injection Molding
Physical
Nominal Value
Unit
Test Method
Density (73°F)
g/cm³
ISO 1183
Melt Volume-Flow Rate (MVR) (265°C/5.0 kg)
cm³/10min
ISO 1133
Molding Shrinkage
    ISO 2577
Across Flow  2
%
 
Across Flow : 194°F, 1 hr
%
 
Flow  2
%
 
Flow : 194°F, 1 hr
%
 
Water Absorption
    ISO 62
Saturation, 73°F
%
 
Equilibrium, 73°F, 50% RH
%
 
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus (73°F)
psi
ISO 527-2/1
Tensile Stress
    ISO 527-2/50
Yield, 73°F
psi
 
Break, 73°F
psi
 
Tensile Strain (Yield, 73°F)
%
ISO 527-2/50
Nominal Tensile Strain at Break (73°F)
%
ISO 527-2/50
Flexural Modulus 3 (73°F)
psi
ISO 178
Flexural Stress 3
    ISO 178
73°F
psi
 
3,5% Strain, 73°F
psi
 
Flexural Strain at Flexural Strength 4 (73°F)
%
ISO 178
Impact
Nominal Value
Unit
Test Method
Charpy Notched Impact Strength
    ISO 179/1eA
-22°F
ft·lb/in²
 
73°F
ft·lb/in²
 
Charpy Unnotched Impact Strength
    ISO 179/1eU
-22°F
 
 
73°F
 
 
Notched Izod Impact Strength
     
-22°F
ft·lb/in²
ISO 180/A
-22°F
 
ISO 180/1C
-4°F
ft·lb/in²
ISO 180/A
73°F
ft·lb/in²
ISO 180/A
73°F
 
ISO 180/1C
Hardness
Nominal Value
Unit
Test Method
Ball Indentation Hardness
psi
ISO 2039-1
Thermal
Nominal Value
Unit
Test Method
Heat Deflection Temperature
     
66 psi, Unannealed
°F
ISO 75-2/B
264 psi, Unannealed
°F
ISO 75-2/A
Vicat Softening Temperature
°F
ISO 306/B120
Electrical
Nominal Value
Unit
Test Method
Surface Resistivity
ohms
IEC 60093
Volume Resistivity (73°F)
ohms·cm
IEC 60093
Electric Strength (73°F, 0,0394 in)
V/mil
IEC 60243-1
Relative Permittivity
    IEC 60250
73°F, 100 Hz
 
 
73°F, 1 MHz
 
 
Dissipation Factor
    IEC 60250
73°F, 100 Hz
 
 
73°F, 1 MHz
 
 
Comparative Tracking Index (Solution A)
V
IEC 60112
Additional Information
Nominal Value
Unit
Test Method
Drying Temperature
°F
ISO 294
Drying Time
hr
ISO 294
Residual Humidity
%
ISO 294
Features
Features may also be described by the following terms: Good Chemical Resistance, Chemical Resistant, Good Dimensional Stability, Dimensionally Stable, Good Flow, High Heat Resistance, Heat Resistant, Good Mold Release, Easy Release, Good Demolding.
Available Documents
Technical Datasheet (Chinese (Traditional))
Technical Datasheet (Chinese)
Technical Datasheet (English)
Technical Datasheet (German)
Technical Datasheet (Japanese)
Injection
Nominal Value
Unit
 
Drying Temperature - Dry Air Dryer
°F
 
Drying Time - Dry Air Dryer
hr
 
Suggested Max Moisture
%
 
Suggested Shot Size
%
 
Rear Temperature
°F
 
Middle Temperature
°F
 
Front Temperature
°F
 
Nozzle Temperature
°F
 
Processing (Melt) Temp
°F
 
Mold Temperature
°F
 
Back Pressure
psi
 
Vent Depth
in
 
Injection Notes
Standard Melt Temperature: 270°C
Peripheral Screw Speed: 0.05 - 0.2 m/s
Hold Pressure (% of Injection Pressure): 50 - 75%
Notes
1Typical properties: these are not to be construed as specifications.
2600 bar
30,079 in/min
42 mm/min
 
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