Category | Polymer , Thermoplastic , Acetal (POM) , Acetal Copolymer, Unreinforced |
Manufacturer | Network Polymers |
Trade Name | Kepital® |
Port | Ningbo port,China |
Trade Terms | FOB, CFR, CIF |
Payment Terms | L/C, T/T, Western Union |
Download PDF | Network Polymers Kepital® F40-03.pdf ![]() |
Price | EMAIL US sales@lookpolymers.com |
Physical Properties | Metric | English | Comments |
---|---|---|---|
Specific Gravity | 1.41 g/cc | 1.41 g/cc | ASTM D792 |
Moisture Absorption at Equilibrium | 0.22 % | 0.22 % | 23°C at 60% RH; ASTM D570 |
Linear Mold Shrinkage | 0.020 cm/cm | 0.020 in/in | ASTM D955 |
Melt Flow | 52 g/10 min @Load 2.16 kg, Temperature 190 °C |
52 g/10 min @Load 4.76 lb, Temperature 374 °F |
Procedure A Condition E; ASTM D1238 |
Mechanical Properties | Metric | English | Comments |
---|---|---|---|
Hardness, Rockwell M | 80 | 80 | ASTM D785 |
Tensile Strength at Break | 61.4 MPa | 8900 psi | ASTM D638 |
Elongation at Break | 40 % | 40 % | ASTM D638 |
Flexural Strength | 91.7 MPa | 13300 psi | ASTM D790 |
Flexural Modulus | 2.65 GPa | 384 ksi | ASTM D790 |
Poissons Ratio | 0.35 | 0.35 | |
Shear Strength | 55.2 MPa | 8000 psi | ASTM D732 |
Izod Impact, Notched | 0.534 J/cm | 1.00 ft-lb/in | ASTM D256 |
Coefficient of Friction | 0.13 | 0.13 | Against Steel; Westover or Radial Type |
0.15 | 0.15 | Against Aluminum; Westover or Radial Type | |
0.15 | 0.15 | Against Brass; Westover or Radial Type | |
0.20 | 0.20 | Against Kepital; Westover or Radial Type |
Thermal Properties | Metric | English | Comments |
---|---|---|---|
CTE, linear | 130 µm/m-°C @Temperature 20.0 °C |
72.0 µin/in-°F @Temperature 68.0 °F |
ASTM D696 |
Melting Point | 165 °C | 329 °F | 10°C/min heating; DSC |
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 | 0.125 inch bar, 1 Kg; ASTM D1525 |
Flammability, UL94 | HB | HB | 0.00311 in |
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 100 Hz |
3.7 @Frequency 100 Hz |
ASTM D150 |
3.7 @Frequency 1e+7 Hz |
3.7 @Frequency 1e+7 Hz |
ASTM D150 | |
Dissipation Factor | 0.0010 @Frequency 100 Hz |
0.0010 @Frequency 100 Hz |
ASTM D150 |
0.0070 @Frequency 1e+6 Hz |
0.0070 @Frequency 1e+6 Hz |
ASTM D150 | |
Arc Resistance | >= 200 sec | >= 200 sec | ASTM D495 |