Teknor Apex Monprene® CP-28143 Thermoplastic Elastomer

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Teknor Apex Monprene® CP-28143 Thermoplastic Elastomer
Categories:	Polymer; Thermoplastic; Elastomer, TPE
Material Notes:	Notes: Monprene CP-28143 is a high performance thermoplastic elastomer designed for a variety of consumer product applications requiring a soft, rubber-like feel. Monprene CP-28143 is a low hardness, low density grade that is suitable for injection molding or extrusion. Availability: Africa & Middle East; Europe; Asia Pacific; Latin America; North America Features: Low Density; Low Flow; Low Specific Gravity; Lubricated; Medium Hardness; Without Fillers Uses: Consumer Applications; Gaskets; Handles; Tubing; Writing Instruments RoHS Compliance: RoHS Compliant Form: Pellets Processing Method: Injection Molding; Extrusion Information provided by Teknor Apex
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Physical Properties	Metric	English	Comments

Density	0.890 g/cc	0.0322 lb/in³
Melt Flow	0.50 g/10 min @Load 5.00 kg, Temperature 200 °C	0.50 g/10 min @Load 11.0 lb, Temperature 392 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	43 @Time 5.00 sec	43 @Time 0.00139 hour	Injection Molded; ASTM D2240
	45 @Time 1.00 sec	45 @Time 0.000278 hour	Injection Molded; ASTM D2240
Tensile Strength at Break	6.89 MPa	1000 psi	ASTM D412
Elongation at Break	700 %	700 %	ASTM D412
Compression Set	20 % @Temperature 22.8 °C, Time 79200 sec	20 % @Temperature 73.0 °F, Time 22.0 hour	ASTM D395B
	60 % @Temperature 70.0 °C, Time 79200 sec	60 % @Temperature 158 °F, Time 22.0 hour	ASTM D395B

Processing Properties	Metric	English	Comments
Processing Temperature	182 - 227 °C	360 - 440 °F	Melt, Injection
Rear Barrel Temperature	182 - 227 °C	360 - 440 °F	Injection
Middle Barrel Temperature	182 - 227 °C	360 - 440 °F	Injection
Front Barrel Temperature	182 - 227 °C	360 - 440 °F	Injection
Nozzle Temperature	182 - 227 °C	360 - 440 °F	Injection
Zone 1	182 - 227 °C	360 - 440 °F	Extrusion
Zone 2	182 - 227 °C	360 - 440 °F	Extrusion
Zone 3	182 - 227 °C	360 - 440 °F	Extrusion
Zone 4	182 - 227 °C	360 - 440 °F	Extrusion
Zone 5	182 - 227 °C	360 - 440 °F	Extrusion
Die Temperature	182 - 227 °C	360 - 440 °F	Extrusion
Mold Temperature	15.6 - 43.3 °C	60.0 - 110 °F	Injection
Injection Pressure	1.38 - 5.52 MPa	200 - 800 psi	Injection
Back Pressure	0.172 - 0.689 MPa	25.0 - 100 psi	Injection
Cushion	0.381 - 2.54 cm	0.150 - 1.00 in	Injection
Screw Speed	30 - 100 rpm	30 - 100 rpm	Extrusion
	50 - 100 rpm	50 - 100 rpm	Injection

Descriptive Properties
Appearance	Black
	Natural Color
	Unspecified Color

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

PTEKNQ0817 / 237308

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