Product

Insulation Epoxy Prepreg DMD Paper

Epoxy Prepreg DMD Paper is an advanced F-class composite insulation material, engineered by impregnating a durable DMD substrate with a specially formulated epoxy resin. This pre-impregnated product features a high-temperature activator, enabling rapid curing with minimal volatile emission and low shrinkage.

Type: Insulation paper

Heat-resistance: Class F (155°C) 

Thickness: 0.15-0.40mm

Width: 1000mm or customized

Technical Advantages of Epoxy Prepreg DMD Paper:

1. Optimized Curing Profile: Incorporates a high-temperature activator enabling rapid curing at elevated temperatures, accompanied by minimal low-molecular volatiles and low shrinkage for superior dimensional stability.

2. Exceptional Bonding Integrity: Demonstrates strong adhesion between the resin and DMD matrix, eliminating powdering and ensuring the cured product forms a unified, high-peel-strength structure with metal conductors.

3. Superior Electrical Performance: Provides excellent dielectric properties, with low volatile content ensuring minimal partial discharge, critical for high-voltage applications.

4. Enhanced Mechanical Properties: Delivers high mechanical strength and good flexibility, making it suitable for high-strength insulation systems that require durability.

5. Practical Manufacturing Benefits: Features a simple molding process, a long storage period, and a substantial soluble resin content for efficient processing and reliable performance.

Typical Applications of Epoxy Prepreg DMD Paper:

○ Interlayer insulation for low-voltage coils in dry-type transformers

○ Slot insulation and turn-to-turn insulation in motors and various electrical appliances.