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Ensinger PEI

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SABIC LNP™ LUBRICOMP™ Compound WFL36 Polybutylene Terephthalate (PBT)
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Unreinforced, Molded
Material Notes: LNP LUBRICOMP WFL36 compound is based on Polybutylene Terephthalate (PBT) resin containing 30% glass fiber, 15% PTFE. Added features of this grade include: Wear Resistant.

Features: Wear resistant,Structural

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 PropertiesOriginal ValueComments
Density 1.68 g/ccASTM D792
 1.68 g/ccISO 1183
Water Absorption 0.10 %
@Time 86400 sec		ASTM D570
 0.10 %
@Time 86400 sec		ISO 62-1
Moisture Absorption 0.0500 %23°C/50% RH/24 hrs; ASTM D570
 0.0500 %23°C / 50% RH; ISO 62
 0.0500 %Injection Molding
Viscosity 17 cP
@Load 5.00 kg,
Temperature 250 °C		MVR cc/10 min; ISO 1133
Linear Mold Shrinkage, Flow 0.0010 - 0.0030 cm/cmSABIC method
Linear Mold Shrinkage, Transverse 0.0050 - 0.014 cm/cmSABIC method
Melt Flow 22 g/10 min
@Load 5.00 kg,
Temperature 250 °C		ASTM D1238
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength at Break 114 MPa5 mm/min; ISO 527
 115 MPa5 mm/min; ASTM D638
Elongation at Break 2.6 %5 mm/min; ASTM D638
 2.8 %5 mm/min; ISO 527
Tensile Modulus 9900 MPa5 mm/min; ASTM D638
 10100 MPa1 mm/min; ISO 527
Flexural Strength 180 MPa1.3 mm/min, 50 mm span; ASTM D790
 183 MPayield, 2 mm/min; ISO 178
 75.0 MPa
@Temperature 150 °C		yield, 2 mm/min; ISO 178
 103 MPa
@Temperature 100 °C		yield, 2 mm/min; ISO 178
 127 MPa
@Temperature 60.0 °C		yield, 2 mm/min; ISO 178
Flexural Modulus 8600 MPa1.3 mm/min, 50 mm span; ASTM D790
 8900 MPa2 mm/min; ISO 178
 3600 MPa
@Temperature 150 °C		2 mm/min; ISO 178
 4700 MPa
@Temperature 100 °C		2 mm/min; ISO 178
 5800 MPa
@Temperature 60.0 °C		2 mm/min; ISO 178
Flexural Strain at Break 3.1 %2 mm/min; ISO 178
 4.6 %
@Temperature 60.0 °C		2 mm/min; ISO 178
 5.1 %
@Temperature 100 °C		2 mm/min; ISO 178
 5.5 %
@Temperature 150 °C		2 mm/min; ISO 178
Izod Impact Notched 90.0 JASTM D256
Izod Impact, Unnotched 750 J/mASTM D4812
Izod Impact, Notched (ISO) 9.00 kJ/m²80*10*4; ISO 180/1A
 9.00 kJ/m²
@Temperature -40.0 °C		80*10*3; ISO 180/1A
Izod Impact, Unnotched (ISO) 50.0 kJ/m²80*10*4; ISO 180/1U
 60.0 kJ/m²
@Temperature -40.0 °C		80*10*4; ISO 180/1U
Charpy Impact Unnotched 55.0 kJ/m²Edgew 80*10*4 sp=62mm; ISO 179/1eU
Charpy Impact, Notched 9.00 kJ/m²Edgew 80*10*4 sp=62mm; ISO 179/1eA
Dart Drop, Total Energy 13.0 Jpeak; ASTM D3763
Coefficient of Friction, Dynamic 0.57ASTM D3702 Modified: Manual
Coefficient of Friction, Static 0.41ASTM D3702 Modified: Manual
K (wear) Factor 42.0 x 10-10 in³-min/ft-lb-hrWasher; ASTM D3702 Modified: Manual
 
Thermal PropertiesOriginal ValueComments
CTE, linear, Parallel to Flow 28.0 µm/m-°C
@Temperature 23.0 - 60.0 °C		ISO 11359-2
 38.0 µm/m-°C
@Temperature -40.0 - 40.0 °C		ISO 11359-2
 38.0 µm/m-°C
@Temperature -40.0 - 40.0 °C		ASTM E831
CTE, linear, Transverse to Flow 67.0 µm/m-°C
@Temperature -40.0 - 40.0 °C		ASTM E831
 67.0 µm/m-°C
@Temperature -40.0 - 40.0 °C		ISO 11359-2
 76.0 µm/m-°C
@Temperature 23.0 - 60.0 °C		ISO 11359-2
Specific Heat Capacity 1.751 J/g-°CASTM E1269
Thermal Conductivity 0.260 W/m-KASTM D5930
Deflection Temperature at 0.46 MPa (66 psi) 222 °CFlatw 80*10*4 sp=64mm; ISO 75/Bf
Deflection Temperature at 1.8 MPa (264 psi) 208 °CFlatw 80*10*4 sp=64mm; ISO 75/Af
 210 °C
@Thickness 3.20 mm		unannealed; ASTM D648
Vicat Softening Point 212 °CRate B/50; ASTM D1525
 212 °CRate B/50; ISO 306
UL RTI, Electrical 75.0 °CUL 746B
UL RTI, Mechanical with Impact 75.0 °CUL 746B
UL RTI, Mechanical without Impact 75.0 °CUL 746B
Flammability, UL94 HB
@Thickness 1.50 mm		UL 94
 
Processing PropertiesOriginal ValueComments
Zone 2 245 - 255 °C
Zone 3 260 - 270 °C
Melt Temperature 240 - 265 °CInjection Molding
Mold Temperature 80.0 - 100 °C
Drying Temperature 120 °CInjection Molding
Dry Time 4.00 hourInjection Molding
Back Pressure 0.200 - 0.300 MPa
Screw Speed 30 - 60 rpm

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