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POM C 9021 SW XAP LS 减声器,低摩擦

添加时间:2013-06-13  信息来源:http://www.simibc.com/  作者:苏州希普能塑料
hostaform pom C 9021 SW XAP² ™ LS
 
HOSTAFORM C 9021 SW XAP² ™ LS | POM | Tribological
 
Description
POM copolymer
 
Injection molding type, special modified with anti-friction additives  for prevention of squeaking noise; good chemical resistance to solvents, fuel and strong alkalis as well as good hydrolysis resistance; high resistance to thermal and oxidative degradation.
Ranges of applications:  For sliding combinations with low wear and low coefficient of friction, prevents squeaking noise.
 
Burning rate ISO 3795 and FMVSS 302 < 100 mm/min for a thickness more than 1,5 mm.
 
Reduced emission grade. Emissions according to VDA 275 < 5 mg/kg
 
Preliminary Datasheet
 
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℃
 
ISO Data Mechanical properties Value Unit Test Standard
Phys Density 1420 kg/m³ ISO 1183
Melt volume rate (MVR) 7 cm³/10min ISO 1133
MVR test temperature 190 ISO 1133
MVR test load 2.16 kg ISO 1133
Mech Mechanical properties Value Unit Test Standard
Tensile modulus (1mm/min) 2700 MPa ISO 527-2/1A
Tensile stress at yield (50mm/min) 52 MPa ISO 527-2/1A
Tensile strain at yield (50mm/min) 7 % ISO 527-2/1A
Nominal strain at break (50mm/min) 16 % ISO 527-2/1A
Charpy impact strength @ 23℃ 90 kJ/m² ISO 179/1eU
Charpy impact strength @ -30℃ 85 kJ/m² ISO 179/1eU
Charpy notched impact strength @ 23℃ 4 kJ/m² ISO 179/1eA
Charpy notched impact strength @ -30℃ 4 kJ/m² ISO 179/1eA
Therm Thermal properties Value Unit Test Standard
Melting temperature (10℃/min) 166 ISO 11357-1,-2,-3
DTUL @ 1.8 MPa 80 ISO 75-1/-2
Coeff.of linear therm. expansion (parallel) 1.2 E-4/℃ ISO 11359-2
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%
 
The product can then be stored in standard conditions until processed.
 
Drying time (h):3 - 4
Drying temperature (℃):100 - 120
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