PBT/PB70 CR30 BK111 PBT30%碳纤维、

 PBT/PB70 CR30 BK111 是最坚韧的工程热塑材料之一，PBT/PB70 CR30 BK111 它是半结晶材料，PBT/PB70 CR30 BK111 有非常好的化学稳定性、机械强度、电绝缘特性和热稳定性。这些材料在很广的环境条件下都有很好的稳定性。PBT吸湿特性很弱。非增强型PBT的张力强度为50MPa，玻璃添加剂型的PBT张力强度为170MPa。玻璃添加剂过多将导致材料变脆。

Physical Properties	Metric	English	Comments
Density	1.41 g/cc	0.0509 lb/in³	ISO 1183
Moisture Absorption	0.200 % @Temperature 23.0 °C	0.200 % @Temperature 73.4 °F	50% RH; ISO 960
Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	150 MPa	21800 psi	ISO 527
Elongation at Break	1.5 %	1.5 %	ISO 527
Tensile Modulus	24.0 GPa	3480 ksi	ISO 527
Izod Impact, Notched (ISO)	6.00 kJ/m² @Temperature -30.0 °C	2.86 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
Izod Impact, Unnotched (ISO)	40.0 kJ/m² @Temperature -30.0 °C	19.0 ft-lb/in² @Temperature -22.0 °F	ISO 180/1U
	45.0 kJ/m² @Temperature 23.0 °C	21.4 ft-lb/in² @Temperature 73.4 °F	ISO 180/1U
Electrical Properties	Metric	English	Comments
Volume Resistivity	<= 1000 ohm-cm	<= 1000 ohm-cm	IEC 60093
Thermal Properties	Metric	English	Comments
Melting Point	225 °C	437 °F	[10 K/min], ISO 11357
Flammability, UL94	HB @Thickness 1.60 mm	HB @Thickness 0.0630 in
	HB @Thickness 0.750 mm	HB @Thickness 0.0295 in
Processing Properties	Metric	English	Comments
Processing Temperature	250 - 270 °C	482 - 518 °F
Feed Temperature	50.0 - 70.0 °C	122 - 158 °F	Throat
Mold Temperature	60.0 - 100 °C	140 - 212 °F
Drying Temperature	120 °C	248 °F
Dry Time	2.00 - 4.00 hour	2.00 - 4.00 hour
Moisture Content	<= 0.080 %	<= 0.080 %	ISO 960
Hold Pressure	40.0 - 80.0 MPa	5800 - 11600 psi
Descriptive Properties
Back Pressure	Low
Injection Speed	Fast