Products Description
Electrical Materials DMDM soft composite material is a four-layer soft composite material made of polyester film coated with adhesive and DMD soft composite material bonded on one side. It has heat resistance level B (130℃).
Electrical Materials DMDM Structure: non-woven fabric + polyester film + non-woven fabric + polyester film
Thickness: 0.16mm / 0.18mm / 0.20mm / 0.25mm / 0.40mm
Width: Customizable (commonly less than 1000mm)
Color: red
Packaging: Roll
| NO. | Item | Unit | Index | |||||
| 1 | Nominal thickness | mm | 0.16 | 0.18 | 0.20 | 0.23 | 0.25 | 0.40 |
| 2 | Tensile strength and longitudinal non-bending | N/10mm | ≥70 | ≥80 | ≥100 | ≥150 | ||
| 3 | Soluble resin content | g/m² | 60±15 | |||||
| 4 | Volatile content | % | ≤1.5 | |||||
| 5 | Breakdown voltage | KV/mm | 6 | 7 | 8 | 9 | 10 | 16 |
| 6 | Tensile shearstrength | MPa | ≥3.0 | |||||
| 7 | Storage life | Month | 6 | |||||
Application areas
Electrical Materials DMDM commonly used in dry-type transformer windings.
Products detail
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Note
1/If you find quality problems with bubbles, pinholes, impurities, wrinkles and defects in the material during use, you should remove it in time and do not use it.
2/When cutting composite materials to a certain size, do not allow shearing tools to damage the material. This is especially important when used as single-layer wrapping and liner insulation.
3/When bandaging or lining, dust, oil, and debris (conductive particles or electrolytes) that may be scattered on the composite material should be removed first.
4/Composite materials or unused materials should be stored in a dry, clean and well-ventilated environment below 40°C, and should be placed upright and away from fire sources, heating and sunlight. Protect from moisture.
5/ The storage period of composite materials is 12 months from the factory date. After the storage period has expired, it shall be inspected according to product standards, and those that pass the test can still be used.
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