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POM C 2521 G 抗溶解,耐化学,耐油

添加时间:2013-06-05  信息来源:http://www.simibc.com/  作者:苏州希普能塑料
hostaform pom C 2521 G
 
HOSTAFORM® C 2521 G
 
HOSTAFORM C 2521 G | POM | Tribological
 
Description
Chemical abbreviation according to ISO 1043-1: POM
Molding compound ISO 9988- POM-K, M-GNS, 01-001
 
POM copolymer
 
Stiff-flowing type for injection molding and extrusion, modified with (R) GUR (PE-UHMW); good chemical resistance to solvents, fuel and strong alkalis as well as good hydrolysis resistance; high resistance to thermal and oxidative degradation; with GUR (PE-UHMW) modified extrusion type, therefore very good lubricating properties.
 
Burning rate ISO 3795 and FMVSS 302 < 100 mm/min for a thickness more than 1 mm.
 
Ranges of applications:  For injection molding parts and semi-finished products with higher requirements on lubricating properties.
 
FMVSS = Federal Motor Vehicle Safety Standard (USA)
 
Other Processing
Injection Molding
Standard injection moulding machines with three phase (15 to 25 D) plasticating screws will fit.
Melt temperature:190-230℃
Mould temperature:80-120℃
 
Film Extrusion
Standard extruders with grooved feed zone and short compression screws (minimum 25 D) will fit.
Melt temperature:180-190℃
 
Other Extrusion
Standard extruders with grooved feed zone and short compression screws (minimum 25 D) will fit.
Melt temperature:180-190℃
 
Profile Extrusion
Standard extruders with grooved feed zone and short compression screws (minimum 25 D) will fit.
Melt temperature:180-190℃
 
Sheet Extrusion
Standard extruders with grooved feed zone and short compression screws (minimum 25 D) will fit.
Melt temperature:180-190℃
 
ISO Data Mechanical properties Value Unit Test Standard
Phys Density 1340 kg/m³ ISO 1183
Melt volume rate (MVR) 1.5 cm³/10min ISO 1133
MVR test temperature 190 ISO 1133
MVR test load 2.16 kg ISO 1133
Water absorption (23℃-sat) 0.8 % ISO 62
Mech Mechanical properties Value Unit Test Standard
Tensile modulus (1mm/min) 2100 MPa ISO 527-2/1A
Tensile stress at yield (50mm/min) 44 MPa ISO 527-2/1A
Tensile strain at yield (50mm/min) 12 % ISO 527-2/1A
Nominal strain at break (50mm/min) 15 % ISO 527-2/1A
Tensile creep modulus (1h) 1800 MPa ISO 899-1
Tensile creep modulus (1000h) 1000 MPa ISO 899-1
Flexural modulus (23℃) 2000 MPa ISO 178
Charpy impact strength @ 23℃ 50 kJ/m² ISO 179/1eU
Charpy impact strength @ -30℃ 50 kJ/m² ISO 179/1eU
Charpy notched impact strength @ 23℃ 5 kJ/m² ISO 179/1eA
Charpy notched impact strength @ -30℃ 4.5 kJ/m² ISO 179/1eA
Therm Thermal properties Value Unit Test Standard
Melting temperature (10℃/min) 165 ISO 11357-1,-2,-3
DTUL @ 1.8 MPa 84 ISO 75-1/-2
Coeff.of linear therm. expansion (parallel) 1 E-4/℃ ISO 11359-2
Elec Electrical properties Value Unit Test Standard
Relative permittivity - 100 Hz 3.8 - IEC 60250
Relative permittivity - 1 MHz 3.8 - IEC 60250
Dissipation factor - 100 Hz 20 E-4 IEC 60250
Dissipation factor - 1 MHz 70 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
 
Processing
Pre Drying
Necessary low maximum residual moisture content: 0.15%
 
Drying is not normally required. If material has come in contact with moisture through improper storage or handling or through regrind use, drying may be necessary to prevent splay and odor problems.
 
The product can then be stored in standard conditions until processed.
 
Drying time (h):3 - 4
Drying temperature (℃):100 - 120
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