POM GN455旭化成---Application: automobile switch shell, roller, pump parts
Note: add 25% glass fiber standard flow grade, high rigidity and excellent dimensional stability
Gn455 physical property table
Test method of physical performance rating unit
Specific gravity: 1.41 ASTM D792
Water absorption: 0.2% ASTM D570
Mechanical properties - rating units - Test methods
Tensile strength 61 MPa ASTM D638
Elongation 50% ASTM D638
Bending strength 90 MPa ASTM D790
Bending modulus 2630 MPa ASTM D790
Izod notched impact strength 59 J / M ASTM D256
Rockwell hardness ASTM d785
80 M
115 R
Abrasion: 14 ASTM d1044
Thermal performance rating unit test method
Melt index 30 g / 10min ASTM d1238
Linear expansion coefficient 10 TMA method
Hot deformation temperature ASTM D648
(1.82MPa) 110 ℃
(0.45MPa) 158 ℃
Flame retardant HB