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Master Bond adhesives

SABIC VALOX™ 420 PBT (Asia)
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes: 30% GR, excellent strength, stiffness and dimensional stability. High heat resistance. Appliance handles, spotlights, electric motors, connectors.

Information provided by SABIC
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 1.51 g/cc1.51 g/ccASTM D792
 1.53 g/cc1.53 g/ccASTM D792
Water Absorption 0.060 %0.060 %24 hours; ASTM D570
Linear Mold Shrinkage, Flow  0.0030 - 0.0050 cm/cm
@Thickness 1.50 - 3.20 mm		0.0030 - 0.0050 in/in
@Thickness 0.0591 - 0.126 in		SABIC method
 0.0050 - 0.0080 cm/cm
@Thickness 3.20 - 4.60 mm		0.0050 - 0.0080 in/in
@Thickness 0.126 - 0.181 in		SABIC method
Linear Mold Shrinkage, Transverse  0.0040 - 0.0060 cm/cm
@Thickness 1.50 - 3.20 mm		0.0040 - 0.0060 in/in
@Thickness 0.0591 - 0.126 in		SABIC method
 0.0060 - 0.0090 cm/cm
@Thickness 3.20 - 4.60 mm		0.0060 - 0.0090 in/in
@Thickness 0.126 - 0.181 in		SABIC method
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell R 118118ASTM D785
Tensile Strength at Break 119 MPa17300 psi5 mm/min; ASTM D638
Elongation at Break 3.0 %3.0 %5 mm/min; ASTM D638
Flexural Strength 190 MPa27600 psibrk, 1.3 mm/min, 50 mm span; ASTM D790
Flexural Modulus 7.58 GPa1100 ksi1.3 mm/min, 50 mm span; ASTM D790
Izod Impact, Notched 0.850 J/cm1.59 ft-lb/inASTM D256
Izod Impact, Unnotched 8.01 J/cm15.0 ft-lb/inASTM D4812
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity >= 3.20e+16 ohm-cm>= 3.20e+16 ohm-cmASTM D257
Dielectric Constant  3.7
@Frequency 1e+6 Hz		3.7
@Frequency 1e+6 Hz		ASTM D150
 3.8
@Frequency 100 Hz		3.8
@Frequency 100 Hz		ASTM D150
Dielectric Strength  18.7 kV/mm
@Thickness 3.20 mm		475 kV/in
@Thickness 0.126 in		in air; ASTM D149
 24.0 kV/mm
@Thickness 1.60 mm		610 kV/in
@Thickness 0.0630 in		in oil; ASTM D149
Dissipation Factor  0.0020
@Frequency 100 Hz		0.0020
@Frequency 100 Hz		ASTM D150
 0.020
@Frequency 1e+6 Hz		0.020
@Frequency 1e+6 Hz		ASTM D150
Arc Resistance 120 - 180 sec120 - 180 secASTM D495
Comparative Tracking Index >= 600 V>= 600 VUL 746A
High Voltage Arc-Tracking Rate, HVTR 10.0 - 25.4 mm/min0.394 - 1.00 in/minUL 746A
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow  25.2 µm/m-°C
@Temperature -40.0 - 40.0 °C		14.0 µin/in-°F
@Temperature -40.0 - 104 °F		ASTM E831
 25.2 µm/m-°C
@Temperature 60.0 - 138 °C		14.0 µin/in-°F
@Temperature 140 - 280 °F		ASTM E831
Deflection Temperature at 0.46 MPa (66 psi) 215 °C
@Thickness 6.40 mm		419 °F
@Thickness 0.252 in		unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 207 °C
@Thickness 6.40 mm		405 °F
@Thickness 0.252 in		unannealed; ASTM D648
UL RTI, Electrical 140 °C284 °FUL 746B
UL RTI, Mechanical with Impact 140 °C284 °FUL 746B
UL RTI, Mechanical without Impact 140 °C284 °FUL 746B
Flammability, UL94 HB
@Thickness 0.830 mm		HB
@Thickness 0.0327 in		UL 94
Oxygen Index 19 %19 %ASTM D2863
 
Processing PropertiesMetricEnglishComments
Nozzle Temperature 245 - 260 °C473 - 500 °FInjection Molding
Zone 1 240 - 255 °C464 - 491 °F
Zone 2 245 - 260 °C473 - 500 °F
Zone 3 250 - 265 °C482 - 509 °F
Melt Temperature 250 - 265 °C482 - 509 °F
Mold Temperature 65.0 - 90.0 °C149 - 194 °F
Drying Temperature 120 °C248 °FInjection Molding
Dry Time 3.00 - 4.00 hour3.00 - 4.00 hourInjection Molding
 12.0 hour12.0 hourCumulative; Injection Molding
Moisture Content 0.020 %0.020 %
Back Pressure 0.300 - 0.700 MPa43.5 - 102 psi
Shot Size 40 - 80 %40 - 80 %
Vent Depth 0.00250 - 0.00380 cm0.000984 - 0.00150 in
Screw Speed 50 - 80 rpm50 - 80 rpm

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.

PSABI10227 / 243694




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