Celanese Nilit Nilitop BT FR C3 Unfilled, Flame Retardant PBT

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Celanese Nilit Nilitop BT FR C3 Unfilled, Flame Retardant PBT
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Flame Retardant
Material Notes:	Description: Nilitop BT FR C3 is an unfilled, flame retardant PBT with halogens. The flame retardant does not contain PBB and PBDE, so it is compliant with the WEEE directive. Key characteristics: Good overall mechanical performance Low moisture absorption Colorable Good thermal performance UL 94 V0 listing at 0.7 mm Information provided by NILIT.
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Physical Properties	Original Value	Comments

Density	1.42 g/cc	ASTM D792, ISO 1183
Water Absorption	0.20 %	23°C, 24h in H₂O; sim. ISO 62
Water Absorption at Saturation	0.50 %	sim. ISO 62
Linear Mold Shrinkage, Flow	0.018 cm/cm	Euronil
Linear Mold Shrinkage, Transverse	0.018 cm/cm	Euronil

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	55.0 MPa	ISO 527, ASTM D638
Elongation at Break	4.5 %	ISO 527, ASTM D638
Flexural Yield Strength	70.0 MPa	ISO 178, ASTM D790
	35.0 MPa @Temperature 90.0 °C	ISO 178, ASTM D790
Flexural Modulus	2.50 GPa	ISO 178, ASTM D790
	0.600 GPa @Temperature 90.0 °C	ISO 178, ASTM D790
Izod Impact, Notched (ISO)	2.00 kJ/m² @Temperature -30.0 °C	ISO 180/1A
	4.00 kJ/m² @Temperature 23.0 °C	ISO 180/1A
Charpy Impact Unnotched	3.00 J/cm²	ISO 179
	2.50 J/cm² @Temperature -30.0 °C	ISO 179
Charpy Impact, Notched	0.500 J/cm²	ISO 179
	0.300 J/cm² @Temperature -30.0 °C	ISO 179

Electrical Properties	Original Value	Comments
Dielectric Strength	19.0 kV/mm @Thickness 2.00 mm	ASTM D149
Comparative Tracking Index	150 V @Thickness 3.20 mm	Sol. B; IEC 112, UL 746A
	250 V @Thickness 3.20 mm	Sol. A; IEC 112, UL 746A

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	120 °C	20,000 hr; IEC 216
Deflection Temperature at 0.46 MPa (66 psi)	170 °C	ISO 75, ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	58.0 °C	ISO 75, ASTM D648
Vicat Softening Point	183 °C	49 N; ISO 306, ASTM D1525
	205 °C	9.8 N; ISO 306, ASTM D1525
Flammability, UL94	V-0 @Thickness 1.60 mm
	V-0 @Thickness 0.800 mm
	V-0 @Thickness 3.20 mm
Oxygen Index	31 %	ASTM D2863
Glow Wire Flammability Index	960 °C @Thickness 0.800 mm	IEC 694-2-12
	960 °C @Thickness 3.20 mm	IEC 694-2-12

Descriptive Properties
Flammability Rating	SE	FMVSS No. 302, 355x100x1 mm
Heat Resistance - Ball Test	OK	at 125°C, IEC 309
	OK	at 165°C, IEC 309
Needle Test	OK	IEC 695-2-2, 1 or 2 mm

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PLBN61 / 50450

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