Nilit Nilitop BT N Unfilled, Nucleated PBT

Category	Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT) , Polybutylene Terephthalate (PBT), Unreinforced, Molded
Manufacturer	Nilit
Trade Name	Nilitop
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Nilit Nilitop BT N Unfilled, Nucleated PBT.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

Description: Nilitop BT N is an unfilled, nucleated PBT that has excellent cycle times.Key characteristics: Good overall mechanical performanceLow moisture absorptionExcellent UV resistanceExcellent surface finishGood thermal performanceInformation provided by NILIT.

Physical Properties	Metric	English	Comments
Density	1.31 g/cc	0.0473 lb/in³	ASTM D792, ISO 1183
Water Absorption	0.20 %	0.20 %	23°C, 24h in H<sub>2</sub>O; sim. ISO 62
Water Absorption at Saturation	0.50 %	0.50 %	sim. ISO 62
Linear Mold Shrinkage, Flow	0.018 cm/cm	0.018 in/in	Euronil
Linear Mold Shrinkage, Transverse	0.018 cm/cm	0.018 in/in	Euronil

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	55.0 MPa	7980 psi	ISO 527, ASTM D638
Elongation at Break	35 %	35 %	ISO 527, ASTM D638
Elongation at Yield	4.0 %	4.0 %	ISO 527, ASTM D638
Flexural Yield Strength	85.0 MPa	12300 psi	ISO 178, ASTM D790
	25.0 MPa @Temperature 90.0 °C	3630 psi @Temperature 194 °F	ISO 178, ASTM D790
Flexural Modulus	2.20 GPa	319 ksi	ISO 178, ASTM D790
	0.500 GPa @Temperature 90.0 °C	72.5 ksi @Temperature 194 °F	ISO 178, ASTM D790
Izod Impact, Notched (ISO)	3.00 kJ/m² @Temperature -30.0 °C	1.43 ft-lb/in² @Temperature -22.0 °F	ISO 180/1A
	5.00 kJ/m² @Temperature 23.0 °C	2.38 ft-lb/in² @Temperature 73.4 °F	ISO 180/1A
Charpy Impact Unnotched	>= 25.0 J/cm²	>= 119 ft-lb/in²	ISO 179
	>= 4.00 J/cm² @Temperature -30.0 °C	>= 19.0 ft-lb/in² @Temperature -22.0 °F	ISO 179
Charpy Impact, Notched	0.600 J/cm²	2.86 ft-lb/in²	ISO 179
	0.400 J/cm² @Temperature -30.0 °C	1.90 ft-lb/in² @Temperature -22.0 °F	ISO 179

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	130 °C	266 °F	20,000 hr; IEC 216
Deflection Temperature at 0.46 MPa (66 psi)	182 °C	360 °F	ISO 75, ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	65.0 °C	149 °F	ISO 75, ASTM D648
Vicat Softening Point	191 °C	376 °F	49 N; ISO 306, ASTM D1525
	205 °C	401 °F	9.8 N; ISO 306, ASTM D1525
Flammability, UL94	HB @Thickness 0.800 mm	HB @Thickness 0.0315 in
	HB @Thickness 3.20 mm	HB @Thickness 0.126 in
Oxygen Index	22 %	22 %	ASTM D2863
Glow Wire Test	850 °C @Thickness 3.20 mm	1560 °F @Thickness 0.126 in	Glow Wire Flammability Index; IEC 694-2-12
	850 °C @Thickness 0.800 mm	1560 °F @Thickness 0.0315 in	Glow Wire Flammability Index; IEC 694-2-12

Electrical Properties	Metric	English	Comments
Dielectric Strength	19.0 kV/mm @Thickness 2.00 mm	483 kV/in @Thickness 0.0787 in	ASTM D149
Comparative Tracking Index	350 V @Thickness 3.20 mm	350 V @Thickness 0.126 in	Sol. B; IEC 112, UL 746A
	600 V @Thickness 3.20 mm	600 V @Thickness 0.126 in	Sol. A; IEC 112, UL 746A

Descriptive Properties	Value	Comments
Heat Resistance - Ball Test	OK	at 125°C, IEC 309
	OK	at 165°C, IEC 309

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