泰科纳POM L***0---Hostaform® L***0 is a nominal 9 melt flow rate acetal copolymer which is capable of being permanently marked by a laser. Parts molded from Hostaform® L***0 can be laser marked with barcodes, identification numbers, designs, 2-D symbology, etc.
Physical performance rating unit system test method
Density: 1.41 g / cm? ISO 1183
MVR (190 ° C / 2.16 kg) 8.00 cm3 / 10min ISO 1133
Water absorption (saturated, 23 ° C) 0.75% ISO 62
Mechanical properties rating unit system test method
Tensile modulus 2750 MPa ISO 527-2 / 1A / 1
Tensile stress (yield) 64.0 MPa ISO 527-2 / 1A / 50
Tensile strain (yield) 9.0% ISO 527-2 / 1A / 50
Bending modulus (23 ° C) 2700 MPa ISO 178
Impact performance rating unit system test method
Notched impact strength of simply supported beam (23 ° C) 5.5 kJ / M? ISO 179 / 1ea
Thermal performance rating unit test method
Hot deformation temperature (1.8 MPa, UN annealed) 98.0 ° C ISO 75-2 / A
Melting temperature 1 167 ° C ISO 11357-3
Linear coefficient of thermal expansion ISO 11359-2
Flow 1.0e-4 cm / cm / ° C ISO 11359-2
Transverse 1.1e-4 cm / cm / ° C ISO 11359-2
Injection rating unit system
Drying temperature: 80 to 100 ° C
Drying time: 3.0 HR
The temperature at the back of the barrel is 170 to 180 ° C
The temperature in the middle of the barrel is 180 to 190 ° C
Temperature at front of barrel 180 to 190 ° C
Nozzle temperature 190 to 200 ° C
Processing (melt) temperature 180 to 200 ° C
Mold temperature: 80 to 120 ° C
Injection pressure: 60.0 to 120 MPa
The injection speed was slow to medium
Holding pressure 60.0 to 120 MPa
Back pressure: 0.00 to 4.00 MPa
POM于50年代末期由杜邦公司研制开发，是目前世界三大通用工程塑料之一。POM具有金属的硬度、强度和钢性，优良的耐疲劳性，具于弹性， POM还有较好的耐***性。POM自生产开始广泛用于电子电气、机械、仪表、日用轻工、汽车、建材、农业等领域。