Teknor Apex Telcar® OBC 4670A Thermoplastic Elastomer

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Teknor Apex Telcar® OBC 4670A Thermoplastic Elastomer
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Vinyl (PVC); PVC, Wire and Cable Grade
Material Notes:	Uses: Automotive Applications; Automotive Exterior Parts; Automotive Exterior Trim; Automotive Interior Parts; Blow Molding Applications; General Purpose; Grommets; Weatherstripping Forms: Pellets Processing Method: Blow Molding; Profile Extrusion; Sheet Extrusion; Thermoforming; Wire and Cable Extrusion; Extrusion; Injection Molding Injection Notes: Injection Rate: Moderate-Fast Extrusion Notes: Screw Speed: 30 to 100 rpm Information Provided by Teknor Apex
Key Words:	TPE
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Physical Properties	Metric	English	Comments

Specific Gravity	0.970 g/cc	0.970 g/cc	ASTM D792
Melt Flow	0.20 g/10 min @Load 2.16 kg, Temperature 230 °C	0.20 g/10 min @Load 4.76 lb, Temperature 446 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	70	70	5 seconds; ASTM D2240
Tensile Strength at Break	8.62 MPa	1250 psi	ASTM D412
Elongation at Break	850 %	850 %	ASTM D412

Processing Properties	Metric	English	Comments
Rear Barrel Temperature	171 - 193 °C	340 - 380 °F
Middle Barrel Temperature	177 - 199 °C	350 - 390 °F
Front Barrel Temperature	182 - 204 °C	360 - 400 °F
Nozzle Temperature	188 - 210 °C	370 - 410 °F
Zone 1	166 - 188 °C	330 - 370 °F
Zone 2	171 - 193 °C	340 - 380 °F
Zone 3	177 - 199 °C	350 - 390 °F
Zone 5	182 - 204 °C	360 - 400 °F
Die Temperature	190 - 210 °C	374 - 410 °F
Melt Temperature	188 - 210 °C	370 - 410 °F	Processing Temperature
Mold Temperature	25.0 - 65.6 °C	77.0 - 150 °F
Injection Pressure	1.38 - 6.89 MPa	200 - 1000 psi
Back Pressure	0.172 - 0.345 MPa	25.0 - 50.0 psi
Cushion	0.381 - 2.54 cm	0.150 - 1.00 in
Screw Speed	50 - 100 rpm	50 - 100 rpm

Descriptive Properties
Appearance	Translucent

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PTEKNP323 / 129404

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