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Rulon Bearings

DuPont 20 Series 2020T Specialty Polyethylene Resin
Categories: Polymer; Thermoplastic; Polyethylene (PE)

Material Notes: DuPont 2020T and 2020 specialty low density polyethylene resins are products characterized by low melt index and intermediate crystallinity. These products, produced via a unique polymerization process, have a well earned reputation for processability and outstanding flexibility and environmental stress crack resistance. DPE 2020T and 2020 are identical products with DPE 2020T passing a "tube defect" specification that is not required for DPE2020.

Typical Applications: Extruded squeeze tubes for personal care, cosmetic, and pharmaceutical applications; Tube shoulders providing headers for LDPE, HDPE and coextruded squeeze tubes; Low pressure water and air tubing; Rotational molding fittings; Molding of small bottles, caps, seals, etc. for medical, personal care and other applications.

Features & Benefits: Superior resistance to environmental stress cracking; High flexibility; Good heat stability; Excellent color; Odor free; Excellent chemical resistance; Tasteless; Nontoxic.

Each lot of DPE 2020T passes an internal tube imperfection specification.

Information provided by DuPont Packaging Polymers.

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Physical PropertiesMetricEnglishComments
Density 0.920 g/cc0.0332 lb/in³ASTM D792
Melt Flow 1.1 g/10 min
@Load 2.16 kg,
Temperature 190 °C
1.1 g/10 min
@Load 4.76 lb,
Temperature 374 °F
ASTM D1238
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 5151ASTM D2240
Tensile Strength, Ultimate 18.6 MPa2700 psiASTM D638
Tensile Strength, Yield 9.60 MPa1390 psiASTM D638
Elongation at Break 620 %620 %ASTM D638
Modulus of Elasticity 0.186 GPa27.0 ksiASTM D638
Flexural Modulus 0.238 GPa34.5 ksiASTM D790
Izod Impact, Notched NBNBASTM D256
 0.430 J/cm
@Temperature -40.0 °C
0.806 ft-lb/in
@Temperature -40.0 °F
ASTM D256
 
Thermal PropertiesMetricEnglishComments
Melting Point 93.0 °C199 °FFreezing Point via DSC/ASTM D3418
 109 °C228 °FUpon Melting via DSC/ASTM D3418
Deflection Temperature at 0.46 MPa (66 psi) 44.0 °C111 °FASTM D648
Vicat Softening Point 97.0 °C207 °FASTM D1525
Brittleness Temperature <= -76.0 °C<= -105 °FASTM D746
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.511.51ASTM D542
 
Processing PropertiesMetricEnglishComments
Nozzle Temperature 193 °C379 °FTypical die temp for tube extrusion.
Melt Temperature 188 °C370 °Ftube extrusion

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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