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Ensinger PEI

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SABIC VALOX™ FR Resin ENH4550 Polybutylene Terephthalate (PBT) (Asia)
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), 30% Glass Fiber Filled

Material Notes: VALOX ENH4550 is a 25% glass reinforced, non-chlorinated/brominated flame retardant Polybutylene Terephthalate (PBT) injection moldable grade with excellent chemical resistance. It has a UL94V0@0.30mm and 5VA@2.0mm flame rating. This is a good candidate for a variety of applications needing a sustainable FR PBT solution.

Features: Chemical Resistance,Flame Retardant,Non-Chlorinated,Non-Brominated,ECO Compliant

Information provided by SABIC

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.52 g/ccASTM D792
Density 1.52 g/ccISO 1183
Filler Content 25 %ASTM D229
Moisture Absorption 0.0200 %Injection Molding
 0.0600 %23°C / 50% RH; ISO 62
Water Absorption at Saturation 0.23 %ISO 62-1
Viscosity 160000 cPmelt; ISO 11443
 210000 cPmelt; ISO 11443
 18 cP
@Load 5.00 kg,
Temperature 250 °C
MVR cc/10 min; ISO 1133
 18 cP
@Load 5.00 kg,
Temperature 265 °C
MVR cc/10 min; ISO 1133
Linear Mold Shrinkage, Flow 0.0010 - 0.0050 cm/cmSABIC method
 0.0010 - 0.0050 cm/cm
@Thickness 3.20 mm
SABIC method
Linear Mold Shrinkage, Transverse 0.0060 - 0.012 cm/cmSABIC method
 0.0050 - 0.011 cm/cm
@Thickness 3.20 mm
SABIC method
Melt Flow 25 g/10 min
@Load 5.00 kg,
Temperature 250 °C
ASTM D1238
 27 g/10 min
@Load 5.00 kg,
Temperature 265 °C
ASTM D1238
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell R 124ISO 2039-2
Ball Indentation Hardness 174 MPaH358/30; ISO 2039-1
Tensile Strength at Break 112 MPa5 mm/min; ISO 527
 115 MPa5 mm/min; ASTM D638
Tensile Strength, Yield 112 MPa5 mm/min; ISO 527
 115 MPa5 mm/min; ASTM D638
Elongation at Break 2.0 %5 mm/min; ASTM D638
 2.0 %5 mm/min; ISO 527
Elongation at Yield 2.0 %5 mm/min; ASTM D638
 2.0 %5 mm/min; ISO 527
Tensile Modulus 10300 MPa5 mm/min; ASTM D638
 10400 MPa1 mm/min; ISO 527
Flexural Strength 165 MPabrk, 1.3 mm/min, 50 mm span; ASTM D790
 165 MPayld, 1.3 mm/min, 50 mm span; ASTM D790
 175 MPabreak, 2mm/min; ISO 178
 175 MPayield, 2 mm/min; ISO 178
Flexural Modulus 8800 MPa1.3 mm/min, 50 mm span; ASTM D790
 9200 MPa2 mm/min; ISO 178
Flexural Strain at Break 2.0 %2 mm/min; ISO 178
Izod Impact Notched 70.0 JASTM D256
 65.0 J
@Temperature -30.0 °C
ASTM D256
 70.0 J
@Temperature 0.000 °C
ASTM D256
Izod Impact, Unnotched 550 J/mASTM D4812
 525 J/m
@Temperature -30.0 °C
ASTM D4812
Izod Impact, Notched (ISO) 8.00 kJ/m²80*10*4; ISO 180/1A
 8.00 kJ/m²
@Temperature -30.0 °C
80*10*4; ISO 180/1A
 8.00 kJ/m²
@Temperature 0.000 °C
80*10*4; ISO 180/1A
Izod Impact, Unnotched (ISO) 40.0 kJ/m²80*10*4; ISO 180/1U
 35.0 kJ/m²
@Temperature -30.0 °C
80*10*4; ISO 180/1U
Charpy Impact Unnotched 45.0 kJ/m²ISO 179/2C
 40.0 kJ/m²
@Temperature -30.0 °C
ISO 179/2C
Charpy Impact, Notched 5.00 kJ/m²Edgew 80*10*4 sp=62mm; ISO 179/1eA
 8.00 kJ/m²ISO 179/2C
 8.00 kJ/m²
@Temperature -30.0 °C
ISO 179/2C
Dart Drop, Total Energy 6.00 JASTM D3763
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.00e+15 ohm-cmASTM D257
 1.00e+15 ohm-cmIEC 60093
Surface Resistance >= 1.00e+15 ohmROA; IEC 60093
Dielectric Constant 3.4
@Frequency 1e+6 Hz
ASTM D150
 3.4
@Frequency 1e+6 Hz
IEC 60250
Dielectric Strength 19.0 kV/mm
@Thickness 3.20 mm
in oil; IEC 60243-1
 20.0 kV/mm
@Thickness 3.20 mm
in oil; ASTM D149
 21.0 kV/mm
@Thickness 3.20 mm
in air; ASTM D149
 24.0 kV/mm
@Thickness 1.60 mm
in oil; ASTM D149
 24.0 kV/mm
@Thickness 1.60 mm
in oil; IEC 60243-1
 30.0 kV/mm
@Thickness 0.800 mm
in oil; ASTM D149
 30.0 kV/mm
@Thickness 0.800 mm
in oil; IEC 60243-1
Dissipation Factor 0.12
@Frequency 1e+6 Hz
ASTM D150
 0.12
@Frequency 1e+6 Hz
IEC 60250
Arc Resistance 60 - 120 secASTM D495
Comparative Tracking Index 300 VIEC 60112
 250 - 400 VUL 746A
Hot Wire Ignition, HWI 15 - 30 sec
@Thickness >=0.400 mm
UL 746A
 >= 120 sec
@Thickness >=0.750 mm
UL 746A
High Amp Arc Ignition, HAI >= 120 arcs
@Thickness >=0.400 mm
UL 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
 24.3 µm/m-°C
@Temperature -40.0 - 40.0 °C
ASTM E831
 25.0 µm/m-°C
@Temperature 23.0 - 150 °C
ISO 11359-2
 28.0 µm/m-°C
@Temperature -40.0 - 40.0 °C
ISO 11359-2
CTE, linear, Transverse to Flow 63.0 µm/m-°C
@Temperature -40.0 - 40.0 °C
ASTM E831
 71.0 µm/m-°C
@Temperature -40.0 - 40.0 °C
ISO 11359-2
 91.0 µm/m-°C
@Temperature 23.0 - 80.0 °C
ISO 11359-2
 148 µm/m-°C
@Temperature 23.0 - 150 °C
ISO 11359-2
Hot Ball Pressure Test 125 °CPASS; IEC 60695-10-2
Deflection Temperature at 0.46 MPa (66 psi) 220 °CFlatw 80*10*4 sp=64mm; ISO 75/Bf
 220 °C
@Thickness 3.20 mm
unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 207 °CFlatw 80*10*4 sp=64mm; ISO 75/Af
 205 °C
@Thickness 3.20 mm
unannealed; ASTM D648
Vicat Softening Point 205 °CRate B/50; ASTM D1525
 207 °CRate B/50; ISO 306
 208 °CRate B/120; ISO 306
 215 °CRate A/50; ASTM D1525
 220 °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 >=0.300 mm
UL 94
 5VA
@Thickness >=2.00 mm
UL 94
Glow Wire Ignition Temperature 750 °C
@Thickness 1.50 mm
IEC 60695-2-13
 775 °C
@Thickness 0.400 mm
IEC 60695-2-13
 775 °C
@Thickness 0.750 mm
IEC 60695-2-13
 775 °C
@Thickness 0.800 mm
IEC 60695-2-13
 775 °C
@Thickness 1.00 mm
IEC 60695-2-13
 775 °C
@Thickness 3.00 mm
IEC 60695-2-13
 775 °C
@Thickness 3.00 mm
IEC 60695-2-13
Glow Wire Flammability Index 960 °C
@Thickness 0.400 mm
IEC 60695-2-12
 960 °C
@Thickness 0.750 mm
IEC 60695-2-12
 960 °C
@Thickness 1.00 mm
IEC 60695-2-12
 960 °C
@Thickness 1.00 mm
IEC 60695-2-12
 960 °C
@Thickness 1.50 mm
IEC 60695-2-12
 960 °C
@Thickness 3.00 mm
IEC 60695-2-12
 
Processing PropertiesOriginal ValueComments
Nozzle Temperature 230 - 255 °C
Zone 2 235 - 250 °C
Zone 3 240 - 260 °C
Melt Temperature 245 - 260 °CInjection Molding
Mold Temperature 40.0 - 100 °C
Drying Temperature 110 - 120 °CInjection Molding
Dry Time 2.00 - 4.00 hourInjection Molding
Precipitation Temperature 40.0 - 60.0 °CHopper Temperature
 
Descriptive Properties
UV-light, water exposure/immersionF1UL 746C

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