Teknor Apex Medalist® MD-50158 Thermoplastic Elastomer

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Teknor Apex Medalist® MD-50158 Thermoplastic Elastomer
Categories:	Polymer; Thermoplastic; Elastomer, TPE
Material Notes:	Notes: Medalist MD-50100 Series of medical-grade TPEs can be used as an alternative to flexible PVC and silicone in face masks used in respiratory therapy. Medalist MD-50158 is a medium hardness, low density, RoHS compliant grade that can be sterilized and is suitable for injection molding. Availability: Africa & Middle East; Europe; Asia Pacific; Latin America; North America Features: Chemical Resistant; Ethylene Oxide Sterilizable; Good Adhesion; Good Colorability; Good Flexibility; Good Moldability; Good Sterilizability; Good Toughness; Halogen Free; High Flow; Low Density; Low Specific Gravity; Medium Hardness; No Animal Derived Components; Radiation (Gamma) Resistant; Resilient; Slip; Without Fillers Uses: Disposable Hospital Goods; Handles; Knobs; Medical Devices; Medical/Healthcare Applications; Pharmaceuticals; Plugs; Rubber Replacement Agency Ratings: ISO 10993 Part 5; ISO 13485 RoHS Compliance: RoHS Compliant Form: Pellets Processing Method: Injection Molding Preliminary data. Information provided by Teknor Apex
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Physical Properties	Original Value	Comments

Density	0.885 g/cc	ASTM D792
Melt Flow	12 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Shore A	58 @Time 5.00 sec	Injection Molded; ASTM D2240
	60 @Time 1.00 sec	Injection Molded; ASTM D2240
Tensile Strength at Break	1100 psi	Die C, 20 in/min; ASTM D412
Tensile Stress at Strain	260 psi @Strain 50 %	Die C, 20 in/min; ASTM D412
	305 psi @Strain 100 %	Die C, 20 in/min; ASTM D412
	500 psi @Strain 300 %	Die C, 20 in/min; ASTM D412
Elongation at Break	660 %	Die C, 20 in/min; ASTM D412
Tear Strength	220 pli	Flow, Die C, 20 in/min; ASTM D624
Compression Set	26 % @Temperature 22.8 °C, Time 79200 sec	Type 1; ASTM D395B

Processing Properties	Original Value	Comments
Rear Barrel Temperature	320 - 350 °F
Middle Barrel Temperature	360 - 400 °F
Front Barrel Temperature	380 - 420 °F
Nozzle Temperature	360 - 440 °F
Melt Temperature	360 - 440 °F
Mold Temperature	80.0 - 120 °F
Back Pressure	25.0 - 100 psi
Cushion	0.150 - 0.500 in
Screw Speed	50 - 100 rpm

Descriptive Properties
Appearance	Clear/Transparent
	Colors Available
	Natural Color

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PTEKNQ0730 / 237221

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