1.Characteristics: It is also known as DDM. It is one main insulation material made from polyster film with diamond-shape epoxy resin dotted on .
2.Usage: It is mostly used in electrical industry like mutual inductor, tranformer, ect.
| No. | Item | Unit | Index value | ||
| 1 | Base material thickness | mm | 0.05 | 0.07 | 0.01 |
| 2 | Base material thickness tolerance | mm | ±0.005 | ±0.007 | ±0.01 |
| 3 | Quantitative and deviation | g/m3 | 82±3 | 102±2 | 144±2 |
| 4 | Tensile Strength(lengthways) | Mpa | ≥150 | ||
| 5 | Breakdown Voltage | V | ≥6000 | ≥6500 | ≥7000 |
| 6 | Tensile Strength | Kpa | ≥350 | ||
| 7 | Shrinking percentage | % | ≤3 | ||