FOMAX GK
US ITW FORMEX GK series includes: GK-5BK, GK-10, GK, 17, GK-30, GK-40, GK-62, FORMEX-18, etc. As a global standard solution, Formex™ GK meets all critical flammability and environmental requirements in Europe, North America and Asia. This includes WEEE, UL, CSA, IEC, VDE, TUV, BSR, MITI, RoHS and REACH. It is SONY green environment partner.
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Product Characteristic Flammability Rating UL 94 VTM-0
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Process Method Die cutting - including knife mold, etching mold, rotary mold and male/female mold |
| Characteristic | GK-5BK | GK-10 | GK-17 | GK-30 | GK-40 | GK-40 | Testing method |
|---|---|---|---|---|---|---|---|
| Colour | black | Natural & Black | Natural & Black | Natural & Black | Natural & Black | Natural & Black | - |
| Thickness-inch | 0.05±0.01 | 0.10+0.03/-0.015 | 0.17+0.03/-0.01 | 0.30±0.02 | 0.40±0.02 | 0.62±0.04 | - |
| Thickness-mm | 1.27±0.25 | 0.25+0.08/-0.04 | 0.43+0.08/-0.03 | 0.76±0.5 | 1.02±0.5 | 1.57±1.0 | - |
| Mechanical behavior | |||||||
| Tensile yield-psi pounds per square inch | - | - | - | - | - | - | ASTM D-882 |
| Vertical | 4400 | 4400 | 4400 | 4400 | 4400 | 4400 | - |
| Horizontal | 3200 | 3200 | 3200 | 3200 | 3200 | 3200 | - |
| Physical properties | |||||||
| Density-gm/cc grams/cubic centimeter | 1.035 | 1.035 | 1.035 | 1.035 | 1.035 | 1.035 | ASTM D-792 |
| Fire-proof level | VTM-0 | VTM-0 | VTM-0 | VTM-0 | VTM-0 | VTM-0 | UL 94 |
| Oxygen Index | 29 | 29 | 29 | 29 | 29 | 29 | ASTM D2863 |
| Water absorption-weight change% | 0.06% | 0.06% | 0.06% | 0.06% | 0.06% | 0.06% | ASTM D570 |
| Heat Deflection Temperature (HDT) (under 66psi pressure) | 121℃/250℉ | 121℃/250℉ | 121℃/250℉ | 121℃/250℉ | 121℃/250℉ | 121℃/250℉ | ASTM D648 |
| Relative temperature index (RTI) | - | - | - | - | - | - | UL 746B |
| Electrical performance | 115℃/239℉ | 115℃/239℉ | 115℃/239℉ | 115℃/239℉ | 115℃/239℉ | 115℃/239℉ | - |
| Mechanical performance (excluding impact performance) | 115℃/239℉ | 115℃/239℉ | 115℃/239℉ | 115℃/239℉ | 115℃/239℉ | 115℃/239℉ | - |
| Surface energy-dvnes/cm dyne/cm | ≥50 | ≥50 | ≥50 | ≥50 | ≥50 | ≥50 | ASTM D2578 |
| Electrical performance | |||||||
| Dielectric breakdown voltage-volts | 13,125 | 22,000 | 24,820 | 32,400 | 37,800 | 45,260 | ASTM D149 |
| Dielectric strength-volts/mil volts/thousandth of an inch | 2625 | 2200 | 1460 | ASTM D149 | |||
| Insulation resistance-ohm·cm ohm·cm | 3.97x1015 | 3.97x1015 | 3.97x1015 | 3.97x1015 | 3.97x1015 | 3.97x1015 | ASTM D257 |
| Dielectric constant | 2.30 | 2.30 | 2.30 | 2.30 | 2.30 | 2.30 | ASTM D150 |
| Dissipation factor | 0.0019 | 0.0019 | 0.0019 | 0.0019 | 0.0019 | 0.0019 | ASTM D150 |
| High current melting rate (HAI)-deformation/burning arc number | 200 | 200 | 162 | 200 | 200 | 200 | UL 746A |
| Thermal wire melting rate (HWI)-seconds | 9 | 7 | 9 | 12 | 12 | 12 | UL 746A |
| Comparative Path Index (CTI)-volts | 600 | 600 | 600 | 600 | 600 | 600 | ASTM D3638 |
| Packaging Information | |||||||
| Standard shape | Coil | Coil | Coil | Coil | slice | slice | - |
| Core inner diameter-inches(cms) inches (cm) | 6（15.2） | 6（15.2） | 6（15.2） | 6（15.2） | - | - | - |
| Coil outer diameter-inches(cms) inches (cm) | 18（45.7） | 18（45.7） | 18（45.7） | 18（45.7） | - | - | - |
| Product roll width-inches(cms) inches (cm) | 24（61.0） | 24（61.0） | 24&25（61.0&63.5） | 24（61.0） | - | - | - |
| Roll weight -1bs (kgs) (approximate value) pounds (kg) | 205（93.0） | 225（102.1） | 187（84.9） | 220（90.7） | - | - | - |
| Length of each roll-feet (m) feet (m) | 4,000（1219.2） | 2,000（609.6） | 1,000（304.8） | 600（182.9） | - | - | - |
| The area of each roll-ft2 (m2) square feet (square meters) | 8,000（743.2） | 4,000（371.6） | 2,000&2083（185.8&193.5） | 1,200（111.5） | - | - | - |
| Slice size-1nches(cms) inches (cm) | - | - | - | - | 24x48（61.0x121.9） | 24x48（61.0x121.9） | - |