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PBT 3425HRT 含40%玻纤增强,耐水解

添加时间:2013-05-27  信息来源:http://www.simibc.com/  作者:苏州希普能塑料
泰科纳PBT 3425HRT
 
CELANEX® 3425HRT ED3002 BLACK
 
CELANEX 3425HRT | PBT | Glass Reinforced
 
Description
Celanex 3425HRT is a non-lubricated, 40% fiberglass reinforced PBT copolymer that has excellent hydrolysis resistance, toughness, improved flow, and improved elongation at break.
 
Other Processing
Injection Molding
Rear Temperature    450-470(230-240) deg F (deg C)
Center Temperature  460-480(235-250) deg F (deg C)
Front Temperature   470-500(240-260) deg F (deg C)
Nozzle Temperature  480-500(250-260) deg F (deg C)
Melt Temperature    460-500(235-260) deg F (deg C)
Mold Temperature    150-200(65-93)   deg F (deg C)
Back Pressure       0-50             psi
Screw Speed         Medium
Injection Speed     Fast
 
Injection speed, injection pressure and holding pressure have to be optimized to the individual article geometry. To avoid material degradation during processing low back pressure and minimum screw speed have to be used. Overheating of the material has to be avoided, in particular for flame retardant grades. Up to 25% clean and dry regrind may be used.
 
ISO Data Physical properties Value Unit Test Standard
Phys Density 1580 kg/m³ ISO 1183
Mold shrinkage - parallel 0-0.5 % ISO 294-4
Mold shrinkage - normal 0.6-0.9 % ISO 294-4
Humidity absorption (23℃/50%RH) 0.12 % ISO 62
Mech Mechanical properties Value Unit Test Standard
Tensile modulus (1mm/min) 9100 MPa ISO 527-2/1A
Tensile stress at break (5mm/min) 107 MPa ISO 527-2/1A
Tensile strain at break (5mm/min) 3 % ISO 527-2/1A
Flexural modulus (23℃) 8500 MPa ISO 178
Flexural strength (23℃) 165 MPa ISO 178
Charpy impact strength @ 23℃ 53 kJ/m² ISO 179/1eU
Charpy impact strength @ -30℃ 44 kJ/m² ISO 179/1eU
Charpy notched impact strength @ 23℃ 11 kJ/m² ISO 179/1eA
Charpy notched impact strength @ -30℃ 9.4 kJ/m² ISO 179/1eA
Notched impact strength (Izod) @ 23℃ 11 kJ/m² ISO 180/1A
Therm Thermal properties Value Unit Test Standard
Melting temperature (10℃/min) 225 ISO 11357-1,-2,-3
Glass transition temperature (10℃/min) 20 ISO 11357-1,-2,-3
DTUL @ 1.8 MPa 175 ISO 75-1/-2
DTUL @ 0.45 MPa 202 ISO 75-1/-2
Coeff.of linear therm. expansion (parallel) 0.2 E-4/℃ ISO 11359-2
Coeff.of linear therm. expansion (normal) 1.16 E-4/℃ ISO 11359-2
Elec Electrical properties Value Unit Test Standard
Relative permittivity - 100 Hz 4.21 - IEC 60250
Relative permittivity - 1 MHz 4.13 - IEC 60250
Dissipation factor - 1 MHz 200 E-4 IEC 60250
Volume resistivity 1E14 Ohm*m IEC 60093
Surface resistivity 3E17 Ohm IEC 60093
Electric strength 31 kV/mm IEC 60243-1
Comparative tracking index CTI 375 - IEC 60112
 
Processing
Pre Drying
Temp
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