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PBT 2016 阻燃PBT,加工性好

添加时间:2013-05-24  信息来源:http://www.simibc.com/  作者:苏州希普能塑料
泰科纳PBT 2016
 
CELANEX® 2016 10/0242
CELANEX® 2016 30/2229
CELANEX® 2016 80/0689
CELANEX® 2016 EB3674 IVORY
CELANEX® 2016 EC4127 GRAY
CELANEX® 2016 ED3002 BLACK
CELANEX® 2016 EF3001 NATURAL
 
CELANEX 2016 | PBT | Unfilled
 
Description
Celanex 2016 is a non-exuding flame retarded (UL and CSA approved V-0 at 1/32 inch and 5V at 1/8 inch), unreinforced polybutylene terephthalate which has an excellent balance of mechanical properties and processability. It is well suited for electrical connector applications where UL approved 50% regrind use capability makes maximum use of purchased product.
 
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   470-490(240-255) deg F (deg C)
Nozzle Temperature  480-490(250-255) deg F (deg C)
Melt Temperature    460-490(235-255) 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 50% clean and dry regrind may be used for the '16 series' flame retardant grades.
 
ISO Data Physical properties Value Unit Test Standard
Phys Density 1440 kg/m³ ISO 1183
Melt volume rate (MVR) 18 cm³/10min ISO 1133
MVR test temperature 250 ISO 1133
MVR test load 2.16 kg ISO 1133
Mold shrinkage - parallel 1.2 - 1.6 % ISO 294-4
Mold shrinkage - normal 1.2-1.6 % ISO 294-4
Humidity absorption (23℃/50%RH) 0.17 % ISO 62
Mech Mechanical properties Value Unit Test Standard
Tensile modulus (1mm/min) 3000 MPa ISO 527-2/1A
Tensile stress at yield (50mm/min) 60 MPa ISO 527-2/1A
Tensile strain at yield (50mm/min) 3 % ISO 527-2/1A
Nominal strain at break (50mm/min) 10 % ISO 527-2/1A
Flexural modulus (23℃) 3100 MPa ISO 178
Flexural strength (23℃) 95 MPa ISO 178
Charpy impact strength @ 23℃ 55 kJ/m² ISO 179/1eU
Charpy impact strength @ -30℃ 55 kJ/m² ISO 179/1eU
Charpy notched impact strength @ 23℃ 4 kJ/m² ISO 179/1eA
Charpy notched impact strength @ -30℃ 4.5 kJ/m² ISO 179/1eA
Notched impact strength (Izod) @ 23℃ 4.5 kJ/m² ISO 180/1A
Rockwell hardness 79 M-Scale ISO 2039-2
Therm Thermal properties Value Unit Test Standard
Melting temperature (10℃/min) 225 ISO 11357-1,-2,-3
Glass transition temperature (10℃/min) 60 ISO 11357-1,-2,-3
DTUL @ 1.8 MPa 68 ISO 75-1/-2
DTUL @ 0.45 MPa 165 ISO 75-1/-2
Vicat softening temperature B50 (50℃/h 50N) 190 ISO 306
Coeff.of linear therm. expansion (parallel) 0.63 E-4/℃ ISO 11359-2
Coeff.of linear therm. expansion (normal) 0.77 E-4/℃ ISO 11359-2
Limiting oxygen index (LOI) 30 % ISO 4589
Flammability at thickness h V-0 class UL94
thickness tested (h) 0.75 mm UL94
Flammability 5V at thickness h 5VA class UL94
thickness tested (5V) 3 mm UL94
Elec Electrical properties Value Unit Test Standard
Relative permittivity - 100 Hz 3.6 - IEC 60250
Relative permittivity - 1 MHz 3.5 - IEC 60250
Dissipation factor - 100 Hz 47 E-4 IEC 60250
Dissipation factor - 1 MHz 185 E-4 IEC 60250
Volume resistivity 1E13 Ohm*m IEC 60093
Surface resistivity 1E15 Ohm IEC 60093
Electric strength 25 kV/mm IEC 60243-1
Comparative tracking index CTI 250 - IEC 60112
SpecProd Test specimen production Value Unit Test Standard
Processing conditions acc. ISO 7792-2 - Internal
Injection molding melt temperature 243 ISO 294
Injection molding mold temperature 82 ISO 294
Injection molding flow front velocity 300 mm/s ISO 294
Injection molding hold pressure 48 MPa ISO 294
 
Processing
Pre Drying
Necessary low maximum residual moisture content: 0.02%
 
To avoid hydrolytic degradation during processing, CELANEX resins have to be dried to a moisture level equal to or less than 0.02%. Drying should be done in a dehumidifying hopper dryer capable of dewpoints <-40℉ (-40℃) at 250℉ (121℃) for 4 hours.
 
For subsequent storage of the material in the dryer until processed (<= 60 h) it is necessary to lower the temperature to 100℃.
 
Drying time (h):4
Drying temperature (℃):120 - 130
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