Description
Kocetal K300 is a POM Resin grade.
Product Specification
| Property | Test Method | Test Conditions | Unit | Test Result |
|---|---|---|---|---|
| Grade | KOCETAL® K300 | |||
| Material | Acetal (POM) Copolymer | |||
| Physical Properties | ||||
| Specific Gravity | ASTM D792 | / | g/cm³ | 1.41 |
| Melt Mass-Flow Rate (MFR) | ASTM D1238 | 190℃, 2.16kg | g/10min | 9.0 |
| Molding Shrinkage | ASTM D955 | Flow | % | 2.0 |
| Water Absorption | ASTM D570 | Equilibrium, 23℃, 60%RH | % | 0.22 |
| Mechanical Properties | ||||
| Tensile Strength | ASTM D638 | / | MPa | 64.0 |
| Tensile Elongation | ASTM D638 | Yield, 23℃ | % | 60 |
| Flexural Modulus | ASTM D790 | 23℃ | MPa | 2500 |
| Flexural Strength | ASTM D790 | 23℃ | MPa | 94.0 |
| Impact Properties | ||||
| Notched Izod Impact | ASTM D256 | 23℃ | J/m | 67 |
| Hardness Properties | ||||
| Rockwell Hardness | ASTM D785 | M-Scale | – | 80 |
| Thermal Properties | ||||
| Deflection Temperature Under Load | ASTM D648 | 0.45MPa, Unannealed | ℃ | 158 |
| Deflection Temperature Under Load | ASTM D648 | 1.80MPa, Unannealed | ℃ | 110 |
| Vicat Softening Temperature | ASTM D1525 | / | ℃ | 162 |
| Melting Temperature | ASTM D3418 | Heating Rate 10℃/min | ℃ | 166 |
| Coefficient of Linear Thermal Expansion | ASTM D696 | Flow Direction | cm/cm/℃ | 1.3×10-4 |
| Electrical Properties | ||||
| Surface Resistivity | ASTM D257 | / | Ω | 1.0×1016 |
| Volume Resistivity | ASTM D257 | / | Ω·cm | 1.0×1014 |
| Dielectric Strength | ASTM D149 | / | kV/mm | 19 |
| Dielectric Constant | ASTM D150 | / | – | 3.70 |
| Dissipation Factor | ASTM D150 | 1MHz | – | 6.0×10-3 |
| Flammability | ||||
| Flame Rating | UL 94 | / | – | HB |
Typical values should be confirmed against the latest producer-issued TDS before final use.