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Master Bond adhesives

Unitika PT-3020
Categories: Polymer; Thermoplastic; Polyarylate

Material Notes: Characteristics:
  • Dimensional accuracy (planarity)
  • Heat resistance
  • Creep resistance and elasticity
  • Rigidity

Information provided by Unitika Ltd.

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Physical PropertiesMetricEnglishComments
Density 1.36 g/cc0.0491 lb/in³ASTM D792
Water Absorption 0.12 %
@Thickness 3.17 mm,
Time 86400 sec
0.12 %
@Thickness 0.125 in,
Time 24.0 hour
ASTM D570
Linear Mold Shrinkage, Flow 0.0030 - 0.0040 cm/cm
@Thickness 3.00 mm
0.0030 - 0.0040 in/in
@Thickness 0.118 in
Linear Mold Shrinkage, Transverse 0.0040 - 0.0050 cm/cm
@Thickness 3.00 mm
0.0040 - 0.0050 in/in
@Thickness 0.118 in
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength at Break 67.0 MPa9720 psiASTM D638
Elongation at Break 6.0 %6.0 %ASTM D638
Flexural Strength 111 MPa16100 psiASTM D790
Flexural Modulus 3.80 GPa551 ksiASTM D790
 
Thermal PropertiesMetricEnglishComments
CTE, linear 35.0 - 40.0 µm/m-°C19.4 - 22.2 µin/in-°FASTM D696
Deflection Temperature at 1.8 MPa (264 psi) 165 °C329 °FASTM D648
 
Processing PropertiesMetricEnglishComments
Rear Barrel Temperature 290 - 310 °C554 - 590 °F
Middle Barrel Temperature 320 - 340 °C608 - 644 °F
Front Barrel Temperature 330 - 350 °C626 - 662 °F
Nozzle Temperature 330 - 350 °C626 - 662 °F
Mold Temperature 110 - 130 °C230 - 266 °Factual surface temp
Drying Temperature 140 °C284 °F
Dry Time 6.00 - 24.0 hour6.00 - 24.0 hour
Back Pressure 0.490 - 1.47 MPa71.1 - 213 psigage pressure

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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PUNITIK882 / 177902

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