POM GB25泰科纳

POM GB25泰科纳--Celcon®GB25缩醛共聚物是一种25%玻璃珠填充等级，用于大型、扁平和薄壁零件的低收缩和抗翘曲。
符合ISO 1043-1:POM的化学缩写

塞拉尼斯 POM工程材料成长史

塞拉尼斯工程材料业务历史上的里程碑，塞拉尼斯和赫斯特：一家具有传统特色的，着眼于未来的公司

Physical performance rating unit system test method
proportion
--1.62g/cm³ASTM D792
--1.58g/cm³ISO 1183
MVR (190 ° C / 2.16 kg) 13.0 cm3 / 10min ISO 1133
Shrinkage
Flow 1.6% ASTM D955
Transverse flow 1.4% ASTM D955
Vertical flow direction 1.3% ISO 294-4
Flow direction 1.5% ISO 294-4
Water absorption ISO 62
Saturated, 23 ° C 0.65% ISO 62
Balanced, 23 ° C, 50% RH 0.20% ISO 62
Mechanical properties rating unit system test method
Tensile modulus 3700 MPa ISO 527-2 / 1A / 1
Tensile strength
Yield, - 40 ° C - 73.1 - MPa - ASTM D638
Yield, 23 ° C 46.2 MPa ASTM D638
Yield, 82 ° C 26.2 MPa ASTM D638
Yield 49.0 MPa ISO 527-2 / 1A / 50
Tensile strain (yield) 4.0% ISO 527-2 / 1A / 50
Bending modulus (23 ° C) 3600 MPa ISO 178
Impact performance rating unit system test method
Notched impact strength of simply supported beams ISO 179 / 1ea
-30°C2.2kJ/m²ISO 179/1eA
23°C2.4kJ/m²ISO 179/1eA
Notched impact strength of cantilever beam (23 ° C) 2.6 kJ / M? ISO 180 / 1A
Thermal performance rating unit test method
Thermal deformation temperature under load
1.8 MPa, UN annealed at 118 ° C ASTM D648
1.8 MPa, UN annealed at 105 ° C ISO 75-2 / A
Melting temperature
-- 1165°CISO 11357-3
--166°CASTM D3418
Linear coefficient of thermal expansion ISO 11359-2
Flow 7.0e-5 cm / cm / ° C ISO 11359-2
Transverse 8.0e-5 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 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