Teknor Apex Monprene® CP-39972 CLR Thermoplastic Elastomer

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Teknor Apex Monprene® CP-39972 CLR Thermoplastic Elastomer
Categories:	Polymer; Thermoplastic; Elastomer, TPE
Material Notes:	Notes: Monprene CP-39972 CLR is a high performance thermoplastic elastomer designed for a variety of consumer product applications requiring a soft, rubber-like feel. Monprene CP-39972 CLR is medium hardness grade that exhibits excellent sunlight resistance and is suitable for injection molding and extrusion. Availability: Africa & Middle East; Europe; Asia Pacific; Latin America; North America Features: Contact Clarity; Light Stabilized; Medium Flow; Medium Hardness; Low Density; Low Specific Gravity; Without Filler Uses: Consumer Applications; Gaskets; Handles; Tubing RoHS Compliance: RoHS Compliant Form: Pellets Processing Method: Injection Molding; Extrusion Preliminary data. Information provided by Teknor Apex
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Physical Properties	Metric	English	Comments

Density	0.880 g/cc	0.0318 lb/in³	ASTM D792
Melt Flow	10 g/10 min @Load 2.16 kg, Temperature 230 °C	10 g/10 min @Load 4.76 lb, Temperature 446 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	72 @Time 5.00 sec	72 @Time 0.00139 hour	Injection Molded; ASTM D2240
	74 @Time 1.00 sec	74 @Time 0.000278 hour	Injection Molded; ASTM D2240
Tensile Strength at Break	7.31 MPa	1060 psi	20 in/min, Flow; ASTM D412
	10.2 MPa	1480 psi	20 in/min, Across Flow; ASTM D412
Tensile Stress at Strain	4.21 MPa @Strain 100 %	610 psi @Strain 100 %	20 in/min, Across Flow; ASTM D412
	4.65 MPa @Strain 300 %	675 psi @Strain 300 %	20 in/min, Across Flow; ASTM D412
	6.16 MPa @Strain 100 %	893 psi @Strain 100 %	20 in/min, Flow; ASTM D412
Elongation at Break	270 %	270 %	20 in/min, Flow; ASTM D412
	>= 1000 %	>= 1000 %	20 in/min, Across Flow; ASTM D412
Tear Strength	49.6 kN/m	283 pli	20 in/min, Flow; ASTM D624
	60.8 kN/m	347 pli	20 in/min, Across Flow; ASTM D624
Compression Set	36 % @Temperature 22.8 °C, Time 79200 sec	36 % @Temperature 73.0 °F, Time 22.0 hour	Type 1; ASTM D395B

Processing Properties	Metric	English	Comments
Processing Temperature	216 - 238 °C	420 - 460 °F	Melt, Injection
Rear Barrel Temperature	216 - 238 °C	420 - 460 °F	Injection
Middle Barrel Temperature	216 - 238 °C	420 - 460 °F	Injection
Front Barrel Temperature	216 - 238 °C	420 - 460 °F	Injection
Nozzle Temperature	216 - 238 °C	420 - 460 °F	Injection
Zone 1	204 - 227 °C	400 - 440 °F	Extrusion
Zone 2	204 - 227 °C	400 - 440 °F	Extrusion
Zone 3	204 - 227 °C	400 - 440 °F	Extrusion
Zone 4	204 - 227 °C	400 - 440 °F	Extrusion
Zone 5	204 - 227 °C	400 - 440 °F	Extrusion
Die Temperature	204 - 227 °C	400 - 440 °F	Extrusion
Mold Temperature	15.6 - 32.2 °C	60.0 - 90.0 °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	Clear/Transparent

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PTEKNQ0850 / 237341

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