泰科纳POM UV90Z----UV90Z is an integrally colored nominal 9 melt flow rate based acetal copolymer material stabilized for use where ultr***iolet radiation exposure is to be encountered. The material is formulated to prevent discoloration, fading, chalking and mechanical property change in severe ultr***iolet exposure. This product is ***ailable in many colors formulated for the interior automotive market and other applicati***.
Physical performance rating unit system test method
Specific gr***ity: 1.41 g / cm? ASTM D792, ISO 1183
MVR (190 ° C / 2.16 kg) 8.00 cm3 / 10min ISO 1133
Shrinkage
Flow 2.2% ASTM D955
Transverse flow 1.8% ASTM D955
Vertical flow direction 1.7% ISO 294-4
Flow direction 1.9% 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: 2700 MPa ISO 527-2 / 1A / 1
Tensile strength
Yield, 23 ° C 60.7 MPa ASTM D638
Yield 64.0 MPa ISO 527-2 / 1A / 50
Tensile strain (yield) 9.0% ISO 527-2 / 1A / 50
Bending modulus (23 ° C) 2470 MPa ISO 178
Impact performance rating unit system test method
Notched impact strength of simply supported beam (23 ° C) 6.0 kJ / M? ISO 179 / 1ea
Notchless impact strength of simply supported beam (23 ° C) 100 kJ / M? ISO 179 / 1eu
Notched impact strength of cantilever beam (23 ° C) 5.7 kJ / M? ISO 180 / 1A
Thermal performance rating unit test method
Hot deformation temperature
0.45 MPa, UN annealed at 155 ° C ISO 75-2 / b
1.8 MPa, UN annealed at 110 ° C ASTM D648
1.8 MPa, UN annealed at 91.0 ° C ISO 75-2 / A
Melting temperature 1 165 ° C ISO 11357-3, ASTM D3418
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
Injection rating unit system
Drying temperature: 80.0 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: 80.0 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 0.500 MPa