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POM C 2521 XAP 低挥发,耐化学,高抗撞击

添加时间:2013-06-06  信息来源:http://www.simibc.com/  作者:苏州希普能塑料
hostaform pom C 2521 XAP² ™
 
HOSTAFORM C 2521 XAP² ™ | POM | Unfilled
 
Description
POM copolymer
Stiff-flowing type for injection molding and extrusion with high impact toughness and good tracking resistance over a high range of temperature; good chemical resistance to solvents, fuel and strongalkalis as well as good hydrolysis resistance; high resistance to thermal and oxidative degradation.
 
With reduced emissions especially for automotive interior application.
 
Burning rate according to FMVSS 302 < 100 mm/min  (1 mm thickness)
 
Emission according to VDA 275 < 5 mg/kg (natural grades)
Emission according to VDA 275 < 5 mg/kg (colored grades)
 
Preliminary Datasheet
 
ISO Data Mechanical properties Value Unit Test Standard
Phys Density 1410 kg/m³ ISO 1183
Melt volume rate (MVR) 2.5 cm³/10min ISO 1133
MVR test temperature 190 ISO 1133
MVR test load 2.16 kg ISO 1133
Water absorption (23℃-sat) 0.65 % ISO 62
Mech Mechanical properties Value Unit Test Standard
Tensile modulus (1mm/min) 2450 MPa ISO 527-2/1A
Tensile stress at yield (50mm/min) 62 MPa ISO 527-2/1A
Tensile strain at yield (50mm/min) 9 % ISO 527-2/1A
Nominal strain at break (50mm/min) 35 % ISO 527-2/1A
Charpy impact strength @ 23℃ 220P kJ/m² ISO 179/1eU
Charpy impact strength @ -30℃ 200 kJ/m² ISO 179/1eU
Charpy notched impact strength @ 23℃ 8.5 kJ/m² ISO 179/1eA
Charpy notched impact strength @ -30℃ 7 kJ/m² ISO 179/1eA
Therm Thermal properties Value Unit Test Standard
Melting temperature (10℃/min) 166 ISO 11357-1,-2,-3
Coeff.of linear therm. expansion (parallel) 1.2 E-4/℃ ISO 11359-2
Coeff.of linear therm. expansion (normal) 1.2 E-4/℃ ISO 11359-2
Elec Electrical properties Value Unit Test Standard
Relative permittivity - 100 Hz 4 - IEC 60250
Relative permittivity - 1 MHz 4 - IEC 60250
Dissipation factor - 100 Hz 15 E-4 IEC 60250
Dissipation factor - 1 MHz 50 E-4 IEC 60250
Volume resistivity 1E12 Ohm*m IEC 60093
Surface resistivity 1E14 Ohm IEC 60093
Electric strength 35 kV/mm IEC 60243-1
Comparative tracking index CTI 600 - IEC 60112
SpecProd Test specimen production Value Unit Test Standard
Processing conditions acc. ISO 9988 - Internal
Rheo Rheological Calculation properties Value Unit Test Standard
Density of melt 1200 kg/m³ Internal
Thermal conductivity of melt 0.155 W/(m K) Internal
Specific heat capacity of melt 2210 J/(kg K) Internal
Ejection temperature 165 Internal
 
Processing
Pre Drying
Necessary low maximum residual moisture content: 0.15%
 
It is normally not necessary to dry HOSTAFORM. However, should there be surface moisture (condensate) on the molding compound as a result of incorrect storage, drying is required. A circulating air drying cabinet can be used for this purpose if the granul
 
The product can then be stored in standard conditions until processed.
 
Drying time (h):3 - 4
Drying temperature (℃):120 - 140
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