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Ensinger PEI

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SABIC VALOX™ 325 PBT (Europe)
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
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Physical PropertiesOriginal ValueComments
Specific Gravity 1.31 g/ccASTM D792
Density 1.31 g/ccISO 1183
Water Absorption 0.34 %23°C/sat; ISO 62
Moisture Absorption 0.0800 %23°C / 50% RH; ISO 62
Viscosity 215 cP
@Shear Rate 1500 1/s,
Temperature 260 °C		melt; ISO 11443
Linear Mold Shrinkage, Flow 0.011 - 0.020 cm/cmSABIC method
Linear Mold Shrinkage, Transverse 0.0090 - 0.018 cm/cmSABIC method
Melt Flow 14 g/10 min
@Load 2.16 kg,
Temperature 250 °C		cm³/10 min; ISO 1133
 30 g/10 min
@Load 5.00 kg,
Temperature 250 °C		cm³/10 min; ISO 1133
 48 g/10 min
@Load 5.00 kg,
Temperature 265 °C		cm³/10 min; ISO 1133
 50 g/10 min
@Load 5.00 kg,
Temperature 265 °C		ASTM D1238
 50 g/10 min
@Load 5.00 kg,
Temperature 266 °C		ASTM D1238
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell R 118ISO 2039-2
Ball Indentation Hardness 135 MPaISO 2039-1
Tensile Strength at Break 35.0 MPa50 mm/min; ASTM D638
 55.0 MPa50 mm/min; ISO 527
Tensile Strength, Yield 51.0 MPa50 mm/min; ASTM D638
 55.0 MPa50 mm/min; ISO 527
Elongation at Break 100 %50 mm/min; ISO 527
 250 %50 mm/min; ASTM D638
Elongation at Yield 3.0 %50 mm/min; ISO 527
 3.0 %50 mm/min; ASTM D638
Tensile Modulus 2400 MPa1mm/min; ISO 527
 2400 MPa50 mm/min; ASTM D638
Flexural Yield Strength 80.0 MPa2 mm/min; ISO 178
Flexural Modulus 2100 MPa2 mm/min; ISO 178
Izod Impact, Notched 53.0 J/mASTM D256
 50.0 J/m
@Temperature 0.000 °C		ASTM D256
 50.0 J/m
@Temperature -30.0 °C		ASTM D256
Izod Impact, Unnotched NBASTM D4812
 1240 J/m
@Temperature -30.0 °C		ASTM D4812
Izod Impact, Notched (ISO) 6.00 kJ/m²80*10*4; ISO 180/1A
 6.00 kJ/m²
@Temperature -30.0 °C		80*10*4; ISO 180/1A
 6.00 kJ/m²
@Temperature 0.000 °C		80*10*4; ISO 180/1A
Izod Impact, Unnotched (ISO) NB80*10*4; ISO 180/1U
 NB
@Temperature -30.0 °C		80*10*4; ISO 180/1U
Charpy Impact Unnotched NBISO 179/2C
 NB
@Temperature -30.0 °C		ISO 179/2C
Charpy Impact, Notched 6.00 kJ/m²ISO 179/2C
 5.00 kJ/m²
@Temperature -30.0 °C		ISO 179/2C
Taber Abrasion, mg/1000 Cycles 9.0CS-17, 1 kg; SABIC method
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity >= 1.00e+15 ohm-cmIEC 60093
 >= 1.00e+15 ohm-cmASTM D257
Surface Resistance >= 1.00e+15 ohmROA; IEC 60093
Dielectric Constant 2.9
@Frequency 50.0 - 60.0 Hz		IEC 60250
 3.1
@Frequency 1e+6 Hz		ASTM D150
 3.1
@Frequency 1e+6 Hz		IEC 60250
Dielectric Strength 15.7 kV/mm
@Thickness 3.20 mm		in oil; ASTM D149
 16.0 kV/mm
@Thickness 3.20 mm		in oil; IEC 60243-1
 16.0 kV/mm
@Thickness 1.00 mm		shorttime; IEC 60243-1
 25.0 kV/mm
@Thickness 1.60 mm		in oil; IEC 60243-1
 25.0 kV/mm
@Thickness 1.60 mm		in oil; ASTM D149
 31.0 kV/mm
@Thickness 0.800 mm		in oil; IEC 60243-1
 31.0 kV/mm
@Thickness 0.800 mm		in oil; ASTM D149
Dissipation Factor 0.00030
@Frequency 50.0 - 60.0 Hz		IEC 60250
 0.020
@Frequency 1e+6 Hz		ASTM D150
 0.020
@Frequency 1e+6 Hz		IEC 60250
Comparative Tracking Index 350 VIEC 60112
 600 VIEC 60112
 
Thermal PropertiesOriginal ValueComments
CTE, linear, Parallel to Flow 130 µm/m-°C
@Temperature 23.0 - 80.0 °C		ISO 11359-2
CTE, linear, Transverse to Flow 130 µm/m-°C
@Temperature 23.0 - 80.0 °C		ISO 11359-2
Thermal Conductivity 0.160 W/m-KISO 8302
Hot Ball Pressure Test 125 °CIEC 60695-10-2
Deflection Temperature at 0.46 MPa (66 psi) 115 °CFlatw 80*10*4 sp=64mm; ISO 75/Bf
Deflection Temperature at 1.8 MPa (264 psi) 50.0 °CFlatw 80*10*4 sp=64mm; ISO 75/Af
Vicat Softening Point 175 °CRate B/50; ISO 306
 175 °CRate B/120; ISO 306
 175 °CRate B/50; ASTM D1525
 220 °CRate A/50; ISO 306
 220 °CRate A/50; ASTM D1525
UL RTI, Electrical 120 °CUL 746B
UL RTI, Mechanical with Impact 120 °CUL 746B
UL RTI, Mechanical without Impact 140 °CUL 746B
Flammability, UL94 HB
@Thickness 1.50 mm		UL 94
 HB
@Thickness 3.00 mm		UL 94
Oxygen Index 21 %ISO 4589
Glow Wire Test 750 °C
@Thickness 3.20 mm		IEC 60695-2-12
 850 °C
@Thickness 1.00 mm		IEC 60695-2-12
 
Processing PropertiesOriginal ValueComments
Processing Temperature 40.0 - 60.0 °CHopper Temperature
Nozzle Temperature 240 - 260 °CInjection Molding
Zone 1 230 - 245 °C
Zone 2 240 - 255 °C
Zone 3 245 - 265 °C
Melt Temperature 250 - 270 °C
Mold Temperature 40.0 - 100 °C
Drying Temperature 110 - 120 °CInjection Molding
Dry Time 2.00 - 4.00 hourInjection Molding
Moisture Content 0.020 %

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 go back to viewing the property data in MatWeb's normal format.

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