LNP Lubricomp® WFL-4036 Polybutylene Terephthalate, Glass Fiber Reinforced, PTFE Lubricant

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LNP Lubricomp® WFL-4036 Polybutylene Terephthalate, Glass Fiber Reinforced, PTFE Lubricant (discontinued **)
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Glass Fiber + PTFE Filled
Material Notes:	Features: Lubricated Forms: Pellets Processing Method: Injection Molding Information provided by LNP, a GE Plastics Company. This data sheet is labeled Discontinued; however many LNP grades are still active under new names instituted after the SABIC purchase.
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Physical Properties	Original Value	Comments

Specific Gravity	1.68 g/cc	Method A; ASTM D792
Density	1.68 g/cc	ISO 1183
Linear Mold Shrinkage	0.0020 - 0.0030 cm/cm	ASTM D955
Linear Mold Shrinkage, Transverse	0.010 cm/cm	ASTM D955

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	117 MPa	ASTM D638
Tensile Strength, Yield	117 MPa	ASTM D638
Elongation at Break	2.3 %	ASTM D638
Elongation at Yield	2.3 %	ASTM D638
Tensile Modulus	10.3 GPa	ASTM D638
Flexural Strength	193 MPa	ASTM D790
Flexural Modulus	10.2 GPa	ASTM D790
Izod Impact, Notched	0.961 J/cm @Thickness 3.18 mm	ASTM D256
Izod Impact, Unnotched	6.83 J/cm @Thickness 3.18 mm	ASTM D256
Izod Impact, Notched (ISO)	9.20 kJ/m²	ISO 180
Izod Impact, Unnotched (ISO)	42.5 kJ/m²	ISO 180
Falling Dart Impact	13.7 J	ASTM D3763
Instrumented Impact Total Energy	2.61 J	Multi-Axial Instrumented Impact Energy; ISO 6603-2
Coefficient of Friction, Dynamic	0.57	vs. Steel - @ 40 psi, 50 ft/min, tested in accordance with LNP WI-0687; ASTM D1894
Coefficient of Friction, Static	0.41	vs. Steel @ 40 psi, in accordance with LNP WI-0687; ASTM D1894
K (wear) Factor	42.0 x 10^-10 in³-min/ft-lb-hr	40psi, 50ft/min; tested in accordance with LNP WI-0687

Thermal Properties	Original Value	Comments
CTE, linear	38.0 µm/m-°C @Temperature 20.0 °C	TMA; ASTM E831
CTE, linear, Transverse to Flow	67.0 µm/m-°C @Temperature 20.0 °C	TMA; ASTM E831
Deflection Temperature at 1.8 MPa (264 psi)	218 °C	Unannealed; ASTM D648

Processing Properties	Original Value	Comments
Melt Temperature	238 - 266 °C
Mold Temperature	82.2 - 98.9 °C
Drying Temperature	121 °C
Dry Time	4 hour
Moisture Content	0.15 %	Suggested
Back Pressure	0.172 - 0.345 MPa

**
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PZLNP1206 / 51288

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