Teknor Apex Monprene® WR-12232 Thermoplastic Elastomer

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Teknor Apex Monprene® WR-12232 Thermoplastic Elastomer
Categories:	Polymer; Thermoplastic; Elastomer, TPE
Material Notes:	Notes: Monprene WR-12231 is a specialty high performance thermoplastic elastomer designed for a variety of consumer application, including writing instrument grips requiring a soft, rubber-like feel. Monprene WR-12231 is a lubricated, low medium hardness, low density grade containing an antimicrobial additive. This grade is suitable for injection molding and extrusion. Availability: Africa & Middle East; Asia Pacific; Europe; Latin America; North America Additive:Antimicrobial (Fungicide) Features: Bacteria Resistant; Fungus Resistant; Medium Flow; Low Density; Low Hardness; Low Specific Gravity; Lubricated; Slip; Without Fillers Uses: Consumer Applications; Flexible Grips; Handles; Sporting Goods; Writing Instruments RoHS Compliance: RoHS Compliant Form: Pellets Processing Method: Injection Molding; Extrusion Information provided by Teknor Apex
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Physical Properties	Original Value	Comments

Density	0.890 g/cc	ASTM D792
Melt Flow	15 g/10 min @Load 5.00 kg, Temperature 200 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Shore A	32 @Time 5.00 sec	Injection Molded; ASTM D2240
	35 @Time 1.00 sec	Injection Molded; ASTM D2240
Tensile Strength at Break	370 psi	Die C, 20 in/min, Flow; ASTM D412
	1040 psi	Die C, 20 in/min, Across Flow; ASTM D412
Tensile Stress at Strain	46.0 psi @Strain 100 %	Die C, 20 in/min, Across Flow; ASTM D412
	89.0 psi @Strain 300 %	Die C, 20 in/min, Across Flow; ASTM D412
	126 psi @Strain 100 %	Die C, 20 in/min, Flow; ASTM D412
	195 psi @Strain 300 %	Die C, 20 in/min, Flow; ASTM D412
Elongation at Break	690 %	Die C, 20 in/min, Flow; ASTM D412
	2000 %	Die C, 20 in/min, Across Flow; ASTM D412
Tear Strength	79.0 pli	Die C, 20 in/min, Flow; ASTM D624
	96.0 pli	Die C, 20 in/min, Across Flow; ASTM D624
Compression Set	14 % @Temperature 22.8 °C, Time 79200 sec	Type 1; ASTM D395B
	44 % @Temperature 70.0 °C, Time 79200 sec	Type 1; ASTM D395B

Processing Properties	Original Value	Comments
Processing Temperature	390 - 480 °F	Melt, Injection
Rear Barrel Temperature	360 - 450 °F	Injection
Middle Barrel Temperature	370 - 460 °F	Injection
Front Barrel Temperature	380 - 470 °F	Injection
Nozzle Temperature	390 - 480 °F	Injection
Zone 1	360 - 450 °F	Extrusion
Zone 2	370 - 460 °F	Extrusion
Zone 3	380 - 470 °F	Extrusion
Zone 4	390 - 480 °F	Extrusion
Zone 5	390 - 480 °F	Extrusion
Die Temperature	390 - 480 °F	Extrusion
Mold Temperature	95.0 - 120 °F	Injection
Injection Pressure	200 - 800 psi	Injection
Back Pressure	25.0 - 100 psi	Injection
Cushion	0.150 - 1.00 in	Injection
Screw Speed	30 - 100 rpm	Extrusion
	50 - 100 rpm	Injection

Descriptive Properties
Appearance	Natural 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 go back to viewing the property data in MatWeb's normal format.

PTEKNQ0968 / 237459

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