泰科纳POM M15HP---providing optimum performance in general purpose injection molding. This grade provides overall excellent performance in applicati*** requiring high stiffness.
Physical performance rating unit system test method
Specific gravity: 1.41 g / cm? ASTM D792, ISO 1183
Melt flow rate (melt flow rate) 1.5 g / 10 min ASTM d1238
MVR (190 ° C / 2.16 kg) 1.30 cm3 / 10min ISO 1133
Shrinkage: ISO 294-4
Vertical flow direction 1.9% ISO 294-4
Flow direction: 2.3% ISO 294-4
Water absorption ISO 62
Saturated, 23 ° C 0.75% ISO 62
Balanced, 23 ° C, 50% RH 0.20% ISO 62
Mechanical properties rating unit system test method
Tensile modulus 2800 MPa ISO 527-2 / 1A / 1
Tensile stress (yield) 68.0 MPa ISO 527-2 / 1A / 50
Tensile strain (yield) 16% ISO 527-2 / 1A / 50
Bending modulus (23 ° C) 2750 MPa ISO 178
Impact performance rating unit system test method
Notched impact strength of simply supported beams ISO 179 / 1ea
-30°C 8.5 kJ/m² ISO 179/1eA
23°C 11 kJ/m² ISO 179/1eA
Notchless impact strength of simply supported beams ISO 179 / 1eu
-30°C 240 kJ/m² ISO 179/1eU
23°C 280 kJ/m² ISO 179/1eU
Notched impact strength of cantilever beam (23 ° C) 9.5 kJ / M? ISO 180 / 1A
Thermal performance rating unit test method
Hot deformation temperature
0.45 MPa, UN annealed 158 ° C ISO 75-2 / b
1.8 MPa, UN annealed at 101 ° C ISO 75-2 / A
Melting temperature 1 173 ° C ISO 11357-3
Linear coefficient of thermal expansion ISO 11359-2
Flow 1.1e-4 cm / cm / ° C ISO 11359-2
Transverse 1.2e-4 cm / cm / ° C ISO 11359-2
Filling analysis rating unit system test method
Density of melt 1.170 g / cm? Internal method
Injection rating unit system
Drying temperature: 80.0 to 100 ° C
Drying time: 3.0 HR
Barrel rear temperature 190 to 200 ° C
The temperature in the middle of the barrel is 190 to 210 ° C
Barrel front temperature 190 to 215 ° C
Nozzle temperature 190 to 220 ° C
Processing (melt) temperature: 205 to 220 ° C
Mold temperature from 90.0 to 120 ° C
Injection pressure: 90.0 to 140 MPa
Slow injection speed
Holding pressure 90.0 to 140 MPa
Back pressure: 0.00 to 0.500 MPa
世界聚甲醛POM生产主要集中在美国、西欧和日本等工业发达***和地区，杜邦、塞拉尼斯、巴斯夫、三菱***化学、日本宝理、东丽、波兰ZAT、台塑这几大公司产能占全 球POM总产能的83%。
2008年世界POM产能为105万t/a，表观需求量为99.2万t。2003～2008年全qiuPOM产能年均增速3.7%，表观消费量增长率为6.1%。近年亚洲聚甲醛的需求量快速增长，2006年世界POM需求总量达到80万吨，亚洲占50％。