Nilit Nilitop BT G4 FR C3 is a 20% Glass Fiber Reinforced, Flame Retardant PBT

Category	Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT) , Polybutylene Terephthalate (PBT), 20% Glass Fiber Filled
Manufacturer	Nilit
Trade Name	Nilitop
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
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Material Notes:

Description: Nilitop BT G4 FR C3 is a 20% glass fiber reinforced, flame retardant PBT with halogens. The flame retardant does not contain PBB and PBDE, so it is compliant with the WEEE directive. It is widely used for applications like connectors and components for appliances.Key characteristics: High stiffnessHigh strengthLow moisture absorptionColorableGood thermal performanceUL 94 V0 listing at 0.7 mm Information provided by NILIT.

Physical Properties	Metric	English	Comments
Density	1.52 g/cc	0.0549 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	0.40 %	0.40 %	sim. ISO 62
Linear Mold Shrinkage, Flow	0.0050 cm/cm	0.0050 in/in	Euronil
Linear Mold Shrinkage, Transverse	0.0080 cm/cm	0.0080 in/in	Euronil

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	110 MPa	16000 psi	ISO 527, ASTM D638
Elongation at Break	3.0 %	3.0 %	ISO 527, ASTM D638
Flexural Yield Strength	165 MPa	23900 psi	ISO 178, ASTM D790
	80.0 MPa @Temperature 90.0 °C	11600 psi @Temperature 194 °F	ISO 178, ASTM D790
Flexural Modulus	7.80 GPa	1130 ksi	ISO 178, ASTM D790
	3.60 GPa @Temperature 90.0 °C	522 ksi @Temperature 194 °F	ISO 178, ASTM D790
Izod Impact, Notched (ISO)	5.00 kJ/m² @Temperature -30.0 °C	2.38 ft-lb/in² @Temperature -22.0 °F	ISO 180/1A
	7.00 kJ/m² @Temperature 23.0 °C	3.33 ft-lb/in² @Temperature 73.4 °F	ISO 180/1A
Charpy Impact Unnotched	3.00 J/cm²	14.3 ft-lb/in²	ISO 179
	2.50 J/cm² @Temperature -30.0 °C	11.9 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)	219 °C	426 °F	ISO 75, ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	200 °C	392 °F	ISO 75, ASTM D648
Vicat Softening Point	195 °C	383 °F	49 N; ISO 306, ASTM D1525
	216 °C	421 °F	9.8 N; ISO 306, ASTM D1525
Flammability, UL94	V-0 @Thickness 0.800 mm	V-0 @Thickness 0.0315 in
	V-0 @Thickness 1.60 mm	V-0 @Thickness 0.0630 in
	V-0 @Thickness 3.20 mm	V-0 @Thickness 0.126 in
Oxygen Index	34 %	34 %	ASTM D2863
Glow Wire Test	960 °C @Thickness 3.20 mm	1760 °F @Thickness 0.126 in	Glow Wire Flammability Index; IEC 694-2-12
	960 °C @Thickness 0.800 mm	1760 °F @Thickness 0.0315 in	Glow Wire Flammability Index; IEC 694-2-12

Electrical Properties	Metric	English	Comments
Dielectric Strength	23.0 kV/mm @Thickness 2.00 mm	584 kV/in @Thickness 0.0787 in	ASTM D149
Comparative Tracking Index	125 V @Thickness 3.20 mm	125 V @Thickness 0.126 in	Sol. B; IEC 112, UL 746A
	250 V @Thickness 3.20 mm	250 V @Thickness 0.126 in	Sol. A; IEC 112, UL 746A

Descriptive Properties	Value	Comments
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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