Toyobo CoolPoly® E5521 LCP

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Toyobo CoolPoly® E5521 LCP
Categories:	Polymer; Thermoplastic; Liquid Crystal Polymer (LCP); Liquid Crystal Polymer (LCP), Unfilled
Material Notes:	Product Description: CoolPoly E series of thermally conductive plastics transfers heat, is lightweight, netshape moldable and allows design freedom in applications previously restricted to metals. Availability: Africa & Middle East; Europe; Asia Pacific; Latin America; North America Use: Automotive Applications Processing Method: Injection Molding Information provided by Celanese
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Physical Properties	Metric	English	Comments

Density	1.75 g/cc	0.0632 lb/in³	ISO 1183
Maximum Moisture Content	0.010	0.010

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	32.0 MPa	4640 psi	ISO 527-2/5
Elongation at Break	0.70 %	0.70 %	ISO 527-2/5
Tensile Modulus	7.10 GPa	1030 ksi	ISO 527-1
Flexural Strength	56.0 MPa	8120 psi	ISO 178
Flexural Modulus	11.1 GPa	1610 ksi	ISO 178
Charpy Impact Unnotched	0.336 J/cm²	1.60 ft-lb/in²	ISO 179/1eU
Charpy Impact, Notched	0.252 J/cm²	1.20 ft-lb/in²	ISO 179/1eA

Electrical Properties	Metric	English	Comments
Shielding Effectiveness	66 dB @Frequency 1e+9 Hz	66 dB @Frequency 1e+9 Hz	EMI; ASTM D4935

Thermal Properties	Metric	English	Comments
Thermal Conductivity	4.47 W/m-K	31.0 BTU-in/hr-ft²-°F	Thruplane; ASTM D1461
	34.6 W/m-K	240 BTU-in/hr-ft²-°F	Flow; ASTM D1461
Deflection Temperature at 1.8 MPa (264 psi)	198 °C	388 °F	Unannealed; ISO 75-2/A

Processing Properties	Metric	English	Comments
Rear Barrel Temperature	332 - 360 °C	630 - 680 °F
Middle Barrel Temperature	338 - 371 °C	640 - 700 °F
Front Barrel Temperature	343 - 382 °C	649 - 720 °F
Nozzle Temperature	349 - 382 °C	660 - 720 °F
Mold Temperature	92.8 - 177 °C	199 - 351 °F
Drying Temperature	180 °C	356 °F
Dry Time	4.00 hour	4.00 hour
Back Pressure	<= 0.350 MPa	<= 50.8 psi

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PHCQ6275 / 310968

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