PBT/PB70 GR40 NL100/ PBT40%玻璃、

 PBT/PB70 GR40 NL100 是最坚韧的工程热塑材料之一， PBT/PB70 GR40 NL100  它是半结晶材料， PBT/PB70 GR40 NL100 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	1.61 g/cc	0.0582 lb/in³	ISO 1183
Moisture Absorption	0.100 % @Temperature 23.0 °C	0.100 % @Temperature 73.4 °F	50% RH; ISO 960
Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	140 MPa	20300 psi	ISO 527
Elongation at Break	2.0 %	2.0 %	ISO 527
Tensile Modulus	14.0 GPa	2030 ksi	ISO 527
Izod Impact, Notched (ISO)	9.00 kJ/m² @Temperature -30.0 °C	4.28 ft-lb/in² @Temperature -22.0 °F	ISO 180/1A
	11.0 kJ/m² @Temperature 23.0 °C	5.23 ft-lb/in² @Temperature 73.4 °F	ISO 180/1A
Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+16 ohm-cm	1.00e+16 ohm-cm	IEC 60093
Surface Resistance	1.00e+14 ohm	1.00e+14 ohm	IEC 60093
Thermal Properties	Metric	English	Comments
Melting Point	225 °C	437 °F	[10 K/min], ISO 11357
Deflection Temperature at 0.46 MPa (66 psi)	220 °C	428 °F	ISO 75
Deflection Temperature at 1.8 MPa (264 psi)	210 °C	410 °F	ISO 75
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