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Specialty Compounds RTP Company

SABIC VALOX™ 325 PBT (Americas)
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes: General purpose, unreinforced, improved processing. Applications like sprinklers and nozzles, pumps, door handle, tank covers, pens, pencils etc.

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 1.31 g/cc1.31 g/ccASTM D792
 1.31 g/cc1.31 g/ccASTM D792
Water Absorption 0.080 %0.080 %24 hours; ASTM D570
Moisture Absorption at Equilibrium 0.34 %0.34 %ASTM D570
Linear Mold Shrinkage, Flow  0.0090 - 0.016 cm/cm
@Thickness 0.750 - 2.30 mm		0.0090 - 0.016 in/in
@Thickness 0.0295 - 0.0906 in		SABIC method
 0.015 - 0.023 cm/cm
@Thickness 2.30 - 4.60 mm		0.015 - 0.023 in/in
@Thickness 0.0906 - 0.181 in		SABIC method
Linear Mold Shrinkage, Transverse  0.010 - 0.017 cm/cm
@Thickness 0.750 - 2.30 mm		0.010 - 0.017 in/in
@Thickness 0.0295 - 0.0906 in		SABIC method
 0.016 - 0.024 cm/cm
@Thickness 2.30 - 4.60 mm		0.016 - 0.024 in/in
@Thickness 0.0906 - 0.181 in		SABIC method
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell R 117117ASTM D785
Tensile Strength, Yield 51.0 MPa7400 psi50 mm/min; ASTM D638
Elongation at Break 200 %200 %50 mm/min; ASTM D638
Flexural Yield Strength 82.0 MPa11900 psi1.3 mm/min, 50 mm span; ASTM D790
Flexural Modulus 2.34 GPa339 ksi1.3 mm/min, 50 mm span; ASTM D790
Izod Impact, Notched 0.530 J/cm0.993 ft-lb/inASTM D256
Izod Impact, Unnotched 16.02 J/cm30.01 ft-lb/inASTM D4812
Gardner Impact 40.0 J29.5 ft-lbASTM D3029
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity >= 4.00e+16 ohm-cm>= 4.00e+16 ohm-cmASTM D257
Dielectric Constant  3.1
@Frequency 1e+6 Hz		3.1
@Frequency 1e+6 Hz		ASTM D150
 3.3
@Frequency 100 Hz		3.3
@Frequency 100 Hz		ASTM D150
Dielectric Strength  15.7 kV/mm
@Thickness 3.20 mm		399 kV/in
@Thickness 0.126 in		in air; ASTM D149
 15.7 kV/mm
@Thickness 3.20 mm		399 kV/in
@Thickness 0.126 in		in oil; ASTM D149
 23.2 kV/mm
@Thickness 1.60 mm		589 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 180 - 240 sec180 - 240 secASTM D495
Comparative Tracking Index >= 600 V>= 600 VUL 746A
Hot Wire Ignition, HWI 15 - 30 sec15 - 30 secUL 746A
High Amp Arc Ignition, HAI >= 120 arcs>= 120 arcsUL 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  81.0 µm/m-°C
@Temperature -40.0 - 40.0 °C		45.0 µin/in-°F
@Temperature -40.0 - 104 °F		ASTM E831
 139 µm/m-°C
@Temperature 60.0 - 138 °C		77.2 µin/in-°F
@Temperature 140 - 280 °F		ASTM E831
Deflection Temperature at 0.46 MPa (66 psi) 154 °C
@Thickness 6.40 mm		309 °F
@Thickness 0.252 in		unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 54.0 °C
@Thickness 6.40 mm		129 °F
@Thickness 0.252 in		unannealed; ASTM D648
UL RTI, Electrical 120 °C248 °FUL 746B
UL RTI, Mechanical with Impact 120 °C248 °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
 
Processing PropertiesMetricEnglishComments
Nozzle Temperature 240 - 255 °C464 - 491 °FInjection Molding
Zone 1 230 - 250 °C446 - 482 °F
Zone 2 240 - 255 °C464 - 491 °F
Zone 3 245 - 260 °C473 - 500 °F
Melt Temperature 245 - 260 °C473 - 500 °F
Mold Temperature 50.0 - 75.0 °C122 - 167 °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 0.00130 - 0.00250 cm0.000512 - 0.000984 in
Screw Speed 50 - 100 rpm50 - 100 rpm
 
Descriptive Properties
UV-light, water exposure/immersionF1UL 746C

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PSABI10221 / 243688

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