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Rulon Bearings

SK Chemicals SKYPEL G940DW Thermoplastic Polyester Elastomer
Categories: Polymer; Thermoplastic; Elastomer, TPE; Polyester TPE

Material Notes: SKYPEL G940DW is a thermoplastic polyester elastomer resin superior heat resistance and non-discoloring properties. SKYPEL G940DW with medium 40D hardness based on shore D scale is widely used for injection molding and extrusion applications.

Features: Good melt adhesion property due to the low melt viscosity. Good thermal stability including non discoloring property at high temperature. Applications: SKYPEL G940DW which is designed for minimizing fuse properties during the fiber spinning process is suitable for fiber application. In addition, It is able to be applied for compounding and producing special product such as seals, cable jackets, tubes, belts, and sheets. Process: SKYPEL G940DW is able to be used for producing staple fiber for nonwoven applications by sheath-core spinning process.

Tensile property tests on ASTM Type IV dumbbells diecut from injection molded slab 2mm thick. Crosshead speed 50 mm/min.

Information provided by SK Chemicals

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Physical PropertiesMetricEnglishComments
Melt Flow 13 g/10 min
@Load 2.16 kg,
Temperature 190 °C
13 g/10 min
@Load 4.76 lb,
Temperature 374 °F
ASTM D1238
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 4040ASTM D2240
 
Thermal PropertiesMetricEnglishComments
Melting Point 157 °C315 °FDSC Peak; 10°C/min.; ASTM D3418
 
Processing PropertiesMetricEnglishComments
Rear Barrel Temperature 150 °C302 °FExtrusion
 165 °C329 °FInjection
Middle Barrel Temperature 160 °C320 °FExtrusion
 175 °C347 °FInjection
Front Barrel Temperature 165 °C329 °FExtrusion
 175 °C347 °FInjection
Nozzle Temperature 180 °C356 °FInjection
Die Temperature >= 90.0 °C>= 194 °F
 <= 100 °C<= 212 °F
 165 °C329 °FExtrusion
Melt Temperature 170 °C338 °FExtrusion
Mold Temperature 25.0 °C77.0 °FInjection
 
Descriptive Properties
Draw Ratio3.2 - 3.4Staple Fiber Processing condition with PET for nonwoven.
Fiber Spinning Temperature (°C)200 - 270G940DW. Depends on nozzle type.
 280PET

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PSK9918 / 291434

Master Bond adhesives

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