RTP 4187


RTP 4187      
40% Carbon Fiber      
Product Description
Warning: The status of this material is 'Commercial: Limited Issue'
The data for this material has not been recently verified.
Please contact RTP Company for current information prior to specifying this grade.
Carbon Fiber 40%
Filler / Reinforcement  Carbon Fiber, 40% Filler by Weight
RoHS Compliance  Contact Manufacturer
Forms  Pellets
Processing Method  Injection Molding

Physical Nominal Value Unit Test Method
Specific Gravity 1.44 g/cm³ ASTM D792
Molding Shrinkage - Flow (3.20 mm) 0.10 % ASTM D955
Mechanical Nominal Value Unit Test Method
Tensile Modulus 33800 MPa ASTM D638
Tensile Strength 262 MPa ASTM D638
Tensile Elongation (Yield) 1.0 % ASTM D638
Flexural Modulus 30300 MPa ASTM D790
Flexural Strength 386 MPa ASTM D790
Impact Nominal Value Unit Test Method
Notched Izod Impact (3.20 mm) 75 J/m ASTM D256
Unnotched Izod Impact (3.20 mm) 590 J/m ASTM D4812
Thermal Nominal Value Unit Test Method
Deflection Temperature Under Load (1.8 MPa, Unannealed) 316 °C ASTM D648
Electrical Nominal Value Unit Test Method
Volume Resistivity 1.0E+6 ohms·cm ASTM D257
Flammability Nominal Value Unit Test Method
Flame Rating (1.50 mm) V-0   UL 94
Additional Information
Dew Point: -20°F
DTUL at 264 psi, ASTM D648: >600°F
Moisture Content: 0.1%
Volume Resistivity, ASTM D257: <1000000 ohm-cm
Injection Nominal Value Unit  
Drying Temperature 149 °C  
Drying Time 3.0 hr  
Processing (Melt) Temp 377 to 382 °C  
Mold Temperature 149 to 232 °C  
Injection Pressure 103 to 138 MPa  
Injection Notes
Desiccant Type Dryer Required.

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