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SABIC Valox® ENH4550 PBT  (Unverified Data**)
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT)

Material Notes: 25% GF reinforced, Non-Brominated & Non-Chlorinated Flame Retardant, PBT resin.

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.53 g/ccASTM D792
Density 1.52 g/ccISO 1183
Moisture Absorption 0.0600 %23°C / 50% RH; ISO 62
Water Absorption at Saturation 0.23 %ISO 62
Viscosity 210000 cPMelt Viscosity, 250°C, 1500 sec-1; ISO 11443
Linear Mold Shrinkage, Flow 0.0010 - 0.0050 cm/cmon Tensile Bar; SABIC Method
 0.0010 - 0.0050 cm/cm
@Thickness 3.20 mm
SABIC Method
Linear Mold Shrinkage, Transverse 0.0060 - 0.012 cm/cmon Tensile Bar; SABIC Method
 0.0050 - 0.011 cm/cm
@Thickness 3.20 mm
SABIC Method
Melt Flow 27 g/10 min
@Load 5.00 kg,
Temperature 250 °C
ASTM D1238
Melt Index of Compound 20 g/10 min
@Load 5.00 kg,
Temperature 250 °C
MVR [cm^3/10 min]; ISO 1133
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength at Break 105 MPaType I, 5 mm/min; ASTM D638
 112 MPa5 mm/min; ISO 527
Tensile Strength, Yield 105 MPaType I, 5 mm/min; ASTM D638
 112 MPa5 mm/min; ISO 527
Elongation at Break 2.0 %Type I, 5 mm/min; ASTM D638
 2.0 %5 mm/min; ISO 527
Elongation at Yield 2.0 %Type I, 5 mm/min; ASTM D638
 2.0 %5 mm/min; ISO 527
Tensile Modulus 9900 MPa5 mm/min; ASTM D638
 10350 MPa1 mm/min; ISO 527
Flexural Yield Strength 161 MPa1.3 mm/min, 50 mm span; ASTM D790
 170 MPa2 mm/min; ISO 178
Flexural Modulus 9100 MPa1.3 mm/min, 50 mm span; ASTM D790
 9400 MPa2 mm/min; ISO 178
Flexural Strain at Break 2.0 %2 mm/min; ISO 178
Izod Impact, Notched 62.0 J/mASTM D256
 59.0 J/m
@Temperature -30.0 °C
ASTM D256
Izod Impact, Unnotched 515 J/mASTM D4812
 470 J/m
@Temperature -30.0 °C
ASTM D4812
Izod Impact, Notched (ISO) 7.00 kJ/m²80*10*4; ISO 180/1A
 7.00 kJ/m²
@Temperature -30.0 °C
80*10*4; ISO 180/1A
Izod Impact, Unnotched (ISO) 33.0 kJ/m²80*10*4; ISO 180/1U
 29.0 kJ/m²
@Temperature -30.0 °C
80*10*4; ISO 180/1U
Charpy Impact Unnotched 36.0 kJ/m²ISO 179/2C
 33.0 kJ/m²
@Temperature -30.0 °C
ISO 179/2C
Charpy Impact, Notched 5.00 kJ/m²Edgew 80*10*4 sp=62mm; ISO 179/1eA
 7.00 kJ/m²ISO 179/2C
 7.00 kJ/m²
@Temperature -30.0 °C
ISO 179/2C
Dart Drop, Total Energy 6.00 J
@Temperature 23.0 °C
ASTM D3763
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.00e+15 - 1.00e+16 ohm-cmASTM D257
 1.00e+15 - 1.00e+16 ohm-cmIEC 60093
Dielectric Strength 21.0 kV/mm
@Thickness 3.20 mm
in air; ASTM D149
 21.0 kV/mm
@Thickness 3.20 mm
in oil; ASTM D149
Arc Resistance 60 - 120 secTungsten; ASTM D495
Comparative Tracking Index 300 VIEC 60112
 250 - 400 VUL 746A
Hot Wire Ignition, HWI >= 120 secUL 746A
High Amp Arc Ignition, HAI >= 120 arcsUL 746A
High Voltage Arc-Tracking Rate, HVTR 0.000 - 10.0 mm/minUL 746A
 
Thermal PropertiesOriginal ValueComments
CTE, linear, Parallel to Flow 22.0 µm/m-°C
@Temperature 23.0 - 80.0 °C
ISO 11359-2
 22.0 µm/m-°C
@Temperature -40.0 - 150 °C
ASTM E 831
 27.0 µm/m-°C
@Temperature -40.0 - 40.0 °C
ASTM E 831
 30.0 µm/m-°C
@Temperature -40.0 - 40.0 °C
ISO 11359-2
CTE, linear, Transverse to Flow 71.0 µm/m-°C
@Temperature -40.0 - 40.0 °C
ASTM E 831
 76.0 µm/m-°C
@Temperature -40.0 - 40.0 °C
ISO 11359-2
 77.0 µm/m-°C
@Temperature -40.0 - 150 °C
ASTM E 831
 91.0 µm/m-°C
@Temperature 23.0 - 80.0 °C
ISO 11359-2
Deflection Temperature at 0.46 MPa (66 psi) 219 °CFlatw 80*10*4 sp=64mm; ISO 75/Bf
 216 °C
@Thickness 3.20 mm
unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 201 °CFlatw 80*10*4 sp=64mm; ISO 75/Af
 204 °C
@Thickness 3.20 mm
unannealed; ASTM D648
Vicat Softening Point 202 °CRate B/50; ASTM D1525
 206 °CRate B/50; ISO 306
 206 °CRate B/120; ISO 306
 215 °CRate A/50; ASTM D1525
 219 °CRate A/50; ISO 306
UL RTI, Electrical 130 °CUL 746B
UL RTI, Mechanical with Impact 140 °CUL 746B
UL RTI, Mechanical without Impact 140 °CUL 746B
Flammability, UL94 V-0
@Thickness 0.750 mm
UL 94
 5VA
@Thickness 3.00 mm
UL 94
Glow Wire Ignition Temperature 775 °CIEC 60695-2-13
 775 °CIEC 60695-2-13
Glow Wire Flammability Index 960 °C
@Thickness 0.750 mm
IEC 60695-2-12
 
Descriptive Properties
Ball Pressure Test, 125°C +/- 2°CPassIEC 60695-10-2

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PSABI52963 / 153009

Specialty Compounds RTP Company

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