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SABIC Innovative Plastics Valox® 745 PBT

Category Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT)
Manufacturer SABIC Innovative Plastics (GE Plastics)
Trade Name Valox®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF SABIC Innovative Plastics Valox® 745 PBT.pdf
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Material Notes:
30% mineral reinforced polyester improved toughness and low warpage. Typical applications are telephone ringer frames and card racks.
Physical Properties Metric English Comments
Specific Gravity 1.46 g/cc
1.46 g/cc
ASTM D792
Water Absorption 0.090 %

@Time 86400 sec
 0.090 %

@Time 24.0 hour
 ASTM D570
Linear Mold Shrinkage, Flow 0.0060 - 0.0080 cm/cm

@Thickness 1.50 - 3.20 mm
 0.0060 - 0.0080 in/in

@Thickness 0.0591 - 0.126 in
 SABIC Method
0.0080 - 0.010 cm/cm

@Thickness 3.20 mm
 0.0080 - 0.010 in/in

@Thickness 0.126 in
 SABIC Method
Linear Mold Shrinkage, Transverse 0.0060 - 0.0080 cm/cm

@Thickness 1.50 - 3.20 mm
 0.0060 - 0.0080 in/in

@Thickness 0.0591 - 0.126 in
 SABIC Method
0.0080 - 0.010 cm/cm

@Thickness 3.20 mm
 0.0080 - 0.010 in/in

@Thickness 0.126 in
 SABIC Method
Mechanical Properties Metric English Comments
Hardness, Rockwell R 112
112
ASTM D785
Tensile Strength at Break 46.0 MPa
6670 psi
Type I, 50 mm/min; ASTM D638
Tensile Strength, Yield 48.0 MPa
6960 psi
Type I, 50 mm/min; ASTM D638
Flexural Yield Strength 89.0 MPa
12900 psi
1.3 mm/min, 50 mm span; ASTM D790
Flexural Modulus 3.44 GPa
499 ksi
1.3 mm/min, 50 mm span; ASTM D790
Izod Impact, Notched 0.800 J/cm
1.50 ft-lb/in
ASTM D256
Izod Impact, Unnotched 16.02 J/cm
30.01 ft-lb/in
ASTM D4812
Thermal Properties Metric English Comments
CTE, linear, Parallel to Flow 75.6 µm/m-°C

@Temperature -40.0 - 40.0 °C
 42.0 µin/in-°F

@Temperature -40.0 - 104 °F
 ASTM E 831
139 µm/m-°C

@Temperature 60.0 - 138 °C
 77.2 µin/in-°F

@Temperature 140 - 280 °F
 ASTM E 831
Deflection Temperature at 0.46 MPa (66 psi) 160 °C

@Thickness 6.40 mm
 320 °F

@Thickness 0.252 in
 unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 87.0 °C

@Thickness 6.40 mm
 189 °F

@Thickness 0.252 in
 unannealed; ASTM D648
UL RTI, Electrical 105 °C
221 °F
UL 746B
UL RTI, Mechanical with Impact 105 °C
221 °F
UL 746B
UL RTI, Mechanical without Impact 105 °C
221 °F
UL 746B
Flammability, UL94 HB

@Thickness 1.47 mm
 HB

@Thickness 0.0579 in
 UL 94
Electrical Properties Metric English Comments
Volume Resistivity 6.90e+16 ohm-cm
6.90e+16 ohm-cm
ASTM D257
Dielectric Constant 3.2

@Frequency 1.00e+6 Hz
 3.2

@Frequency 1.00e+6 Hz
 ASTM D150
3.3

@Frequency 100 Hz
 3.3

@Frequency 100 Hz
 ASTM D150
Dielectric Strength 23.2 kV/mm

@Thickness 3.20 mm
 589 kV/in

@Thickness 0.126 in
 in air; ASTM D149
24.8 kV/mm

@Thickness 1.60 mm
 630 kV/in

@Thickness 0.0630 in
 in oil; ASTM D149
Dissipation Factor 0.0020

@Frequency 100 Hz
 0.0020

@Frequency 100 Hz
 ASTM D150
0.014

@Frequency 1.00e+6 Hz
 0.014

@Frequency 1.00e+6 Hz
 ASTM D150
Arc Resistance 120 - 180 sec
120 - 180 sec
Tungsten; ASTM D495
Comparative Tracking Index 250 - 400 V
250 - 400 V
UL 746A
Hot Wire Ignition, HWI 30 - 60 sec
30 - 60 sec
UL 746A
High Amp Arc Ignition, HAI >= 120 arcs
>= 120 arcs
UL 746A
High Voltage Arc-Tracking Rate, HVTR 80.0 - 150 mm/min
3.15 - 5.91 in/min
UL 746A
Descriptive Properties Value Comments
Specific Volume 0.69cm^3/g
ASTM D792
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