Teknor Apex Monprene® WR-12058 Thermoplastic Elastomer

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Teknor Apex Monprene® WR-12058 Thermoplastic Elastomer
Categories:	Polymer; Thermoplastic; Elastomer, TPE
Material Notes:	Notes: Monprene WR-12058 is a high performance thermoplastic elastomer designed for a variety of consumer application, including writing instrument, requiring a soft, rubber-like feel. Monprene WR-12058 is a medium hardness, low density, medium flow grade that is suitable for injection molding. Availability: Africa & Middle East; Asia Pacific; Europe; Latin America; North America Features: Chemical Resistant; Good Adhesion; Good Colorability; Good Flexibility; Good Moldability; Good Processability; Good Scratch Resistance; Goo Tear Strength; Good Toughness; Low Blooming; Medium Flow; Low Density; Medium Hardness; Low Specific Gravity; Resilient Uses: Consumer Applications; Flexible Grips; Gaskets; General Purpose; Handles; Knobs; Overmolding; Rubber Replacement; Soft Touch Applications; Tubing; Writing Instruments RoHS Compliance: RoHS Compliant Form: Pellets Processing Method: Injection Molding Information provided by Teknor Apex
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Physical Properties	Original Value	Comments

Density	0.896 g/cc	ASTM D792
Melt Flow	7.6 g/10 min @Load 5.00 kg, Temperature 200 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Shore A	61 @Time 5.00 sec	ASTM D2240
	64 @Time 1.00 sec	ASTM D2240
Tensile Strength at Break	711 psi	Die C, 20 in/min, Flow; ASTM D412
	1330 psi	Die C, 20 in/min, Across Flow; ASTM D412
Tensile Stress at Strain	281 psi @Strain 100 %	Die C, 20 in/min, Across Flow; ASTM D412
	480 psi @Strain 100 %	Die C, 20 in/min, Flow; ASTM D412
Elongation at Break	440 %	Die C, 20 in/min, Flow; ASTM D412
	740 %	Die C, 20 in/min, Across Flow; ASTM D412
Tear Strength	166 pli	Die C, 20 in/min, Across Flow; ASTM D624
	233 pli	Die C, 20 in/min, Flow; ASTM D624
Compression Set	16 % @Temperature 22.8 °C, Time 79200 sec	Type 1; ASTM D395B
	85 % @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	380 - 470 °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	Black
	Blue
	Colors Available
	Natural Color
	Translucent

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PTEKNQ0967 / 237458

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