Teknor Apex Medalist® MD-84388 Thermoplastic Elastomer

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Teknor Apex Medalist® MD-84388 Thermoplastic Elastomer
Categories:	Polymer; Thermoplastic; Elastomer, TPE
Material Notes:	Notes: Medalist MD-84300 series are high performance thermoplastic elastomer designed specifically for extrusion and injection molded electrical applications in the medical and healthcare industry. The Medalist MD-84300 series are a better alternative to traditional TPVs used in such applications. Medalist MD-84388 is a higher hardness, low density grade with good electrical properties and can be sterilized by autoclave, ETO, or gamma radiation. Availability: Africa & Middle East; Europe; Asia Pacific; Latin America; North America Features: Autoclave Sterilizable; Electrically Insulating; Ethylene Oxide Sterilizable; Good Color Stability; Good Colorability; Good Sterilizability; Halogen Free; High Tensile Strength; Low Density; Medium Flow; Radiation Sterilizable; Slip Uses: Medical/Healthcare Applications; Pharmaceuticals; Safety Equipment; Wire & Cable Applications RoHS Compliance: RoHS Compliant Form: Pellets Processing Method: Extrusion; Injection Molding Preliminary data. Information provided by Teknor Apex
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Physical Properties	Original Value	Comments

Density	0.980 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	88 @Time 5.00 sec	ASTM D2240
	90 @Time 1.00 sec	ASTM D2240
Tensile Strength at Break	2700 psi	ASTM D412
	3050 psi @Treatment Temp. 60.0 °C, Time 605000 sec	in IRM 902 Oil; ASTM D412
	3240 psi @Treatment Temp. 136 °C, Time 605000 sec	in Air; ASTM D412
Tensile Stress at Strain	860 psi @Strain 100 %	ASTM D412
	1120 psi @Strain 300 %	ASTM D412
Elongation at Break	650 %	ASTM D412
	618 % @Treatment Temp. 136 °C, Time 605000 sec	in Air; ASTM D412
	663 % @Treatment Temp. 60.0 °C, Time 605000 sec	in IRM 902 Oil; ASTM D412

Electrical Properties	Original Value	Comments
Volume Resistivity	8.80e+15 ohm-cm @Temperature 50.0 °C	ASTM D257
	2.80e+16 ohm-cm @Temperature 22.8 °C	ASTM D257
Dielectric Constant	2.32 @Frequency 1000 Hz	ASTM D150
Dielectric Strength	1300 V/mil	ASTM D149
Dissipation Factor	0.00076 @Frequency 1000 Hz	ASTM D150

Thermal Properties	Original Value	Comments
Brittleness Temperature	<= -76.0 °F	ASTM D746
Flammability, UL94	HB @Thickness 1.52 mm	NT
Oxygen Index	19 %	ASTM D2863

Processing Properties	Original Value	Comments
Processing Temperature	430 - 445 °F	Melt, Injection
Rear Barrel Temperature	390 - 420 °F	Injection
Middle Barrel Temperature	415 - 430 °F	Injection
Front Barrel Temperature	430 - 440 °F	Injection
Nozzle Temperature	430 - 445 °F	Injection
Zone 1	380 - 410 °F	Extrusion
Zone 2	390 - 420 °F	Extrusion
Zone 3	415 - 430 °F	Extrusion
Zone 4	415 - 430 °F	Extrusion
Zone 5	430 - 440 °F	Extrusion
Die Temperature	430 - 445 °F	Extrusion
Mold Temperature	77.0 - 150 °F	Injection
Injection Pressure	200 - 1000 psi	Injection
Back Pressure	25.0 - 50.0 psi	Injection
Cushion	0.150 - 1.00 in	Injection
Screw Speed	30 - 100 rpm	Extrusion
	50 - 100 rpm	Injection

Descriptive Properties
Appearance	Colors Available
	Opaque

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PTEKNQ0754 / 237245

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