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POM MT8U05 成型良好

添加时间:2013-06-16  信息来源:http://www.simibc.com/  作者:苏州希普能塑料
hostaform pom MT8U05
 
HOSTAFORM® MT® 8U05 NATURAL
 
HOSTAFORM MT8U05 | POM | Medical Technology
 
Description
Hostaform® acetal copolymer grade MT8U05 is a special grade developed for medical industry applications containing low residual monomers and no animal products. The material can be identified by UV detectors. Hostaform® MT8U05 is an injection molding grade with a molecular weight for excellent moldability and optimum properties in demanding applications.
 
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 1410 kg/m³ ISO 1183
Melt volume rate (MVR) 8 cm³/10min ISO 1133
MVR test temperature 190 ISO 1133
MVR test load 2.16 kg ISO 1133
Mold shrinkage - parallel 2 % ISO 294-4
Mold shrinkage - normal 1.8 % ISO 294-4
Water absorption (23℃-sat) 0.65 % ISO 62
Mech Mechanical properties Value Unit Test Standard
Tensile modulus (1mm/min) 2850 MPa ISO 527-2/1A
Tensile stress at yield (50mm/min) 64 MPa ISO 527-2/1A
Tensile strain at yield (50mm/min) 9 % ISO 527-2/1A
Nominal strain at break (50mm/min) 30 % ISO 527-2/1A
Tensile creep modulus (1h) 2500 MPa ISO 899-1
Tensile creep modulus (1000h) 1300 MPa ISO 899-1
Flexural modulus (23℃) 2700 MPa ISO 178
Charpy impact strength @ 23℃ 180 kJ/m² ISO 179/1eU
Charpy impact strength @ -30℃ 160 kJ/m² ISO 179/1eU
Charpy notched impact strength @ 23℃ 6.5 kJ/m² ISO 179/1eA
Charpy notched impact strength @ -30℃ 6 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 104 ISO 75-1/-2
Coeff.of linear therm. expansion (parallel) 1.1 E-4/℃ ISO 11359-2
SpecProd Test specimen production Value Unit Test Standard
Processing conditions acc. ISO 9988-2 - 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, drying may be necessary to prevent splay and odor problems.
 
Drying time (h):3 - 4
Drying temperature (℃):120 - 140
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