پلی استال- ساده
KOLON Poly Acetal (POM) |
SORT |
Unfilled Grade |
||
Name |
K300 |
|||
Properties |
Test Method (ASTM) |
Condition |
unit |
general injection molding grade |
Melt Index |
D1238 |
- |
g/10min |
9 |
Specific Gravity |
D792 |
- |
- |
1.41 |
Water Absorption |
D570 |
23°C, Water, 24h |
% |
0.22 |
Poisson's Ratio |
D638 |
23°C |
- |
- |
Molding Shrinkage(1/8') |
D955 |
- |
% |
2 |
Melting Point |
D1525 |
- |
°C |
166 |
Heat Deflection Temperature |
D648 |
4.6kgf/cm² |
°C |
158 |
18.6kgf/cm² |
°C |
110 |
||
Vicat Softening Temperature |
D1525 |
- |
162 |
|
Coefficient of Linear Thermal Expansion |
D696 |
- |
X10^-5 1/K |
13 |
Tensile Strength |
D638 |
23°C |
Mpa(Kg/cm^2) |
64(650) |
Tensile Elongation |
D638 |
23°C |
% |
60 |
Flexural Strength |
D790 |
23°C |
Mpa(Kg/cm^2) |
94(960) |
Flexural Modulus |
D790 |
23°C |
Mpa(Kg/cm^2) |
2500(25500) |
Izod Impact Strength |
D256 |
Notched |
J/m(Kg.cm/cm) |
67(6.8) |
Rockwell Hardness |
D785 |
M-scale |
- |
80 |
Flammability |
UL94 |
- |
- |
HB |
Dielectric Constant |
D150 |
10^6Hz |
- |
3.7 |
Dielectric Dissipation Factor |
D150 |
10^6Hz |
- |
0.006 |
Volume Resistivity |
D257 |
- |
Ω·CM |
1*10^14 |
Dielectric Strength |
D149 |
- |
KV/MM |
19 |