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Rulon Bearings

Avient Dynaflex™ G7702-9001-02 Thermoplastic Elastomer (TPE)
Categories: Polymer; Thermoplastic; Elastomer, TPE

Material Notes: Dynaflex™ G7702-9001-02 is a performance TPE designed for a wide variety of applications. - Excellent Dimensional Stability - Excellent Heat Stability - High Resilience - Low Compression Set - Overmold Adhesion to Polypropylene

Purge thoroughly before and after use of this product with a low flow (0.5 - 2.5 MFR) polyethylene (PE) or polypropylene (PP). Regrind levels up to 20% can be used with Dynaflex™ G7702-9001-02 can with minimal property loss, provided that the regrind is free of contamination. To minimize losses during molding, the melt temperature should remain as low as possible. The final determination of regrind effectiveness should be determined by the customer. Dynaflex™ G7702-9001-02 has excellent melt stability. Maximum residence times may vary, depending on the size of the barrel. Generally, the barrel should be emptied if it is idle for periods of 8 - 10 minutes or longer. Drying is not Required Injection Speed: 1 to 3 in/sec 1st Stage - Boost Pressure: 250 to 1000 psi 2nd Stage - Hold Pressure: 30% of Boost Hold Time (Thick Part): 3 to 10 sec Hold Time (Thin Part): 1 to 3 sec

Information provided by PolyOne

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.10 g/cc1.10 g/ccASTM D792
Viscosity 10200 cP
@Shear Rate 11200 1/s,
Temperature 200 °C
10200 cP
@Shear Rate 11200 1/s,
Temperature 392 °F
ASTM D3835
Linear Mold Shrinkage, Flow 0.014 - 0.020 cm/cm0.014 - 0.020 in/inASTM D955
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 373710 sec; ASTM D2240
Tensile Strength at Break 3.79 MPa
@Temperature 23.0 °C
550 psi
@Temperature 73.4 °F
Die C2 hr; ASTM D412
Tensile Stress at Strain  0.965 MPa
@Strain 100 %,
Temperature 23.0 °C
140 psi
@Strain 100 %,
Temperature 73.4 °F
Die C2 hr; ASTM D412
 2.69 MPa
@Strain 300 %,
Temperature 23.0 °C
390 psi
@Strain 300 %,
Temperature 73.4 °F
Die C2 hr; ASTM D412
Elongation at Break 480 %
@Temperature 23.0 °C
480 %
@Temperature 73.4 °F
Die C2 hr; ASTM D412
Tear Strength 21.0 kN/m120 pliASTM D624
Compression Set  11 %
@Temperature 23.0 °C,
Time 79200 sec
11 %
@Temperature 73.4 °F,
Time 22.0 hour
ASTM D395B
 22 %
@Temperature 70.0 °C,
Time 79200 sec
22 %
@Temperature 158 °F,
Time 22.0 hour
ASTM D395B
 28 %
@Temperature 100 °C,
Time 79200 sec
28 %
@Temperature 212 °F,
Time 22.0 hour
ASTM D395B
 
Processing PropertiesMetricEnglishComments
Rear Barrel Temperature 171 - 193 °C340 - 379 °F
Middle Barrel Temperature 193 - 243 °C379 - 469 °F
Front Barrel Temperature 204 - 254 °C399 - 489 °F
Nozzle Temperature 216 - 254 °C421 - 489 °F
Mold Temperature 15.6 - 37.8 °C60.1 - 100 °F
Back Pressure 0.000 - 0.827 MPa0.000 - 120 psi
Screw Speed 25 - 100 rpm25 - 100 rpm
 
Descriptive Properties
AppearanceBlack
Automotive SpecificationsFMVSS 302
FeaturesGood Dimensional Stability
 Good Thermal Stability
 Low Compression Set
 Resilient
FormsPellets
Generic MaterialTPE
Generic NameThermoplastic Elastomer (TPE)
Processing MethodExtrusion
 Injection Molding
Regional AvailabilityAfrica & Middle East
 Asia Pacific
 Europe
 North America
 South America
RoHS ComplianceRoHS Compliant
Suggested Max Regrind20%
UsesAppliance Components
 Automotive Applications
 Gaskets
 Lawn and Garden Equipment
 Overmolding
 Seals

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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