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Rulon Bearings

Lubrizol Estane® S368D Thermoplastic Polyurethane  (discontinued **)
Categories: Polymer; Thermoplastic; Polyurethane, TP; Thermoplastic Polyurethane (TPUR), Polyester Grade
Material Notes: Type: Estane® S368D is a Shore 68D, polyester based thermoplastic polyurethane (TPU) with excellent transparency. FDA approved (21 CFR 177.2600, 177.1680).

Uses: Injection Molding.

Availability: Asia

Information Provided by The Lubrizol Corporation
Key Words: TPU
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Specific Gravity 1.27 g/cc1.27 g/ccASTM D792
Linear Mold Shrinkage 0.0040 cm/cm0.0040 in/inASTM D955
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 6868ASTM D2240
Tensile Strength, Ultimate 44.1 MPa6400 psiASTM D412
Tensile Strength, Yield 25.5 MPa3700 psiat 100% elongation; ASTM D412
 38.2 MPa5550 psiat 300% elongation; ASTM D412
Elongation at Break 380 %380 %ASTM D412
Tear Strength 216 kN/m1230 pliDie C; ASTM D624
Abrasion 2525mm3 loss; ISO 4649
Compression Set  25 %
@Temperature 23.0 °C,
Time 79200 sec		25 %
@Temperature 73.4 °F,
Time 22.0 hour		ASTM D395
 40 %
@Temperature 70.0 °C,
Time 79200 sec		40 %
@Temperature 158 °F,
Time 22.0 hour		ASTM D395
 
Thermal PropertiesMetricEnglishComments
Vicat Softening Point 125 °C257 °FASTM D1525
 
Processing PropertiesMetricEnglishComments
Feed Temperature 205 - 220 °C401 - 428 °F
Nozzle Temperature 220 - 235 °C428 - 455 °F
Mold Temperature 10.0 - 40.0 °C50.0 - 104 °F
Drying Temperature 70.0 - 80.0 °C158 - 176 °F
Dry Time 4.00 - 5.00 hour4.00 - 5.00 hour
Injection Pressure 12.4 - 16.5 MPa1800 - 2400 psi
Hold Pressure 8.96 - 13.1 MPa1300 - 1900 psi
Back Pressure 0.207 - 0.552 MPa30.0 - 80.0 psi
Cycle Time - Injection 25 - 30 sec25 - 30 sec
Screw Speed 160 - 200 rpm160 - 200 rpm
 
Compliance PropertiesMetricEnglishComments
FDA YesYes
 
Descriptive Properties
Injection Time (s)12-18
Metering Zone215-230°C

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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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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