Products Description
Insulation Composite DMD, this product is a composite insulation material product made of a layer of polyester film coated with adhesive, one side of which is compounded with polyester fiber non-woven fabric and calendered, referred to as DMD.
Insulation Class: Class B (130℃), Class F (155℃), or Class H (180℃)
Color: Customizable (determined by the color of the non-woven fabric)
Product parameters
| 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 | |||||
Why choose US?
1. The quality is more stable, and there are no common problems such as "electrical breakdown, delamination, and powder loss"
We use Grade A virgin polyester non-woven fabric + high-tension polyester film, and through constant temperature compounding + three-layer synchronous tension control process, we ensure:
Insulation Composite DMD surface is free of burrs, chips, and wrinkles
The compound is firm, without delamination or bubbles
High breakdown voltage, small thickness tolerance, and strong heat resistance consistency
Compared with peers: Some low-priced products on the market use recycled non-woven fabrics and impurity films, which will cause insulation failure, mechanical tearing, and poor paint adsorption.
2. Thickness/strength can be selected in multiple specifications, supporting personalized customization
We have multiple sets of slitting equipment + die-cutting and punching processes, which can be customized according to different customer needs:
Thickness ranges from 0.13mm to 0.30mm
Non-woven fabrics of different gram weights and film layers
Slitting width accuracy ±0.5mm, suitable for automated wrapping equipment
Compared with peers: Other small factories can only make conventional thickness and width, which is not suitable for high-precision automatic winding needs.
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