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Marlex® TPO CHP-270

Polyolefin

Talc Filler

Supplied by Phillips Sumika Polypropylene Company

The technical datasheet with complete property values for Marlex® TPO CHP-270 is available to members of the Prospector Plastics Database.
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General  
Material Status 
  • Commercial: Active
Availability 
  • North America
Filler / Reinforcement 
  • Talc Filler
Features 
  • Ultra High Impact Resistance
Uses 
  • Automotive Interior Trim
  • Engineered Applications
  
Automotive Specifications 
Forms 
  • Pellets
Processing Method 
  • Injection Molding
Physical
Nominal Value
Unit
Test Method
Density
g/cm³
 ISO 1183, ASTM D1505
Melt Mass-Flow Rate (MFR) (230°C/2.16 kg)
g/10 min
 ASTM D1238, ISO 1133
Molding Shrinkage
     Internal Method
73°F, 48 hr, 0.126 in
%
  
176°F, 48 hr, 0.126 in
%
  
Mechanical
Nominal Value
Unit
Test Method
Tensile Strength
      
Yield, Injection Molded 2
psi
 ASTM D638
Yield, Injection Molded
psi
 ISO 527-2/50
Flexural Modulus
      
Secant: Injection Molded 3
psi
 ASTM D790
Injection Molded 4
psi
 ISO 178
Impact
Nominal Value
Unit
Test Method
Notched Izod Impact
      
-22°F, Injection Molded
ft·lb/in
 ASTM D256
32°F, Injection Molded
 
 ASTM D256
73°F, Injection Molded
 
 ASTM D256
-40°F, Injection Molded
ft·lb/in²
 ISO 180
73°F, Injection Molded
ft·lb/in²
 ISO 180
Instrumented Dart Impact 5 (-22°F, Injection Molded, Total Energy)
in·lb
 ASTM D3763
Hardness
Nominal Value
Unit
Test Method
Durometer Hardness (Shore D)
 
 ASTM D2240
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load
      
66 psi, Unannealed, Injection Molded
°F
 ASTM D648
66 psi, Unannealed
°F
 ISO 75-2/B
264 psi, Unannealed, Injection Molded
°F
 ASTM D648
264 psi, Unannealed
°F
 ISO 75-2/A
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Marlex® TPO CHP-270, Marlex TPO CHP270, Marlex® TPO , Marlex TPO, MarlexTPOCHP270, MarlexTPO, CHP, TPOCHP-270, TPOCHP270, TPOCHP:270, TPOCHP/270, TPOCHP+270, TPOCHP_270, TPOCHP 270, TPOCHP, CHP-270, CHP270, CHP:270, CHP/270, CHP+270, CHP_270, CHP 270, Polyolefin, Unspecified, Polyolefin Unspecified, Polyolefin, Phillips Sumika, PolyolefinUnspecified, 270CHP, 270TPOCHP
Features
Features may also be described by the following terms: Ultra High Impact Resistance.
Automotive Specifications
This plastic material has approval for 1 automotive specifications from the following agencies (the number in parentheses shows the number of specifications for that agency): GM (1).
Injection
Nominal Value
Unit
 
Drying Temperature
°F
  
Drying Time
hr
  
Drying Time, Maximum
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
  
Injection Notes
Melt temperature above 500°F (260°C) may cause degredation and changes to resin properties.
First stage injection pressure: Maximize
Screw speed: 30 to 60%
Packaging pressure: Minimize
Notes
1Typical properties: these are not to be construed as specifications.
22.0 in/min
30.051 in/min
40.079 in/min
512.5 ft/sec
 
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.