| Category | Polymer , Thermoplastic , Acetal (POM) , Acetal Copolymer, Unreinforced |
| Manufacturer | Kolon |
| Trade Name | Kocetal® |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Kolon Kocetal® K700 General Purpose Grade Acetal Copolymer.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.41 g/cc | 0.0509 lb/in³ | ASTM D790 |
| Water Absorption | 0.22 % | 0.22 % | ASTM D570 |
| Linear Mold Shrinkage | 0.020 cm/cm | 0.020 in/in | ASTM D955 |
| Melt Flow | 27 g/10 min | 27 g/10 min | ASTM D1238 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Rockwell M | 80 | 80 | ASTM D785 |
| Tensile Strength, Ultimate | 64.7 MPa | 9390 psi | ASTM D638 |
| Elongation at Break | 45 % | 45 % | ASTM D638 |
| Flexural Yield Strength | 97.1 MPa | 14100 psi | ASTM D790 |
| Flexural Modulus | 2.70 GPa | 391 ksi | ASTM D790 |
| Izod Impact, Notched | 0.549 J/cm | 1.03 ft-lb/in | ASTM D256 |
| Coefficient of Friction | 0.22 | 0.22 | ASTM D1894 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 110 - 130 µm/m-°C @Temperature 20.0 °C |
61.1 - 72.2 µin/in-°F @Temperature 68.0 °F |
ASTM D696 |
| Melting Point | 166 °C | 331 °F | ASTM D1525 |
| Maximum Service Temperature, Air | 100 - 120 °C | 212 - 248 °F | Long Term |
| 140 - 150 °C | 284 - 302 °F | Short Term | |
| Deflection Temperature at 0.46 MPa (66 psi) | 158 °C | 316 °F | ASTM D648 |
| Deflection Temperature at 1.8 MPa (264 psi) | 110 °C | 230 °F | ASTM D648 |
| Vicat Softening Point | 162 °C | 324 °F | ASTM D1525 |
| Flammability, UL94 | HB | HB |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | 1.00e+14 ohm-cm | 1.00e+14 ohm-cm | ASTM D257 |
| Surface Resistance | 1.00e+16 ohm | 1.00e+16 ohm | ASTM D257 |
| Dielectric Constant | 3.7 @Frequency 1e+6 Hz |
3.7 @Frequency 1e+6 Hz |
ASTM D150 |
| Dielectric Strength | 19.0 kV/mm | 483 kV/in | ASTM D149 |
| Dissipation Factor | 0.0060 @Frequency 1e+6 Hz |
0.0060 @Frequency 1e+6 Hz |
ASTM D150 |
| Arc Resistance | >= 200 sec | >= 200 sec | ASTM D495 |
| Processing Properties | Metric | English | Comments |
|---|---|---|---|
| Rear Barrel Temperature | 160 - 180 °C | 320 - 356 °F | |
| Middle Barrel Temperature | 182 - 200 °C | 359 - 392 °F | |
| Front Barrel Temperature | 190 - 210 °C | 374 - 410 °F | |
| Nozzle Temperature | 190 - 210 °C | 374 - 410 °F | |
| Melt Temperature | 166 °C | 330 °F | |
| Mold Temperature | 60.0 - 100 °C | 140 - 212 °F | Surface |
| Drying Temperature | 80.0 °C | 176 °F | |
| Dry Time | 3 hour | 3 hour | |
| Injection Pressure | 68.6 - 108 MPa | 9950 - 15600 psi | |
| Screw Speed | 50 - 100 rpm | 50 - 100 rpm | Purge with polyethylene/polystyrene |