6641-F DMD Insulation Paper is a high-grade composite insulation material designed for demanding electrical applications. The "DMD" designation represents its precise three-layer construction: two outer layers of non-woven polyester fabric (D) bonded to a central polyester film layer (M), using Class F adhesive system.

Manufacturing Process of DMD insulation paper:

6641-F DMD features an advanced manufacturing process with specialized materials

Base Materials: Two layers of polyester non-woven fabric (D) and One layer of polyester film (M)

Bonding Technology: Class F (155°C) rated adhesive system

Precision lamination under controlled temperature and pressure

Key Differentiator: F-grade bonding agents ensure structural integrity at elevated temperatures

Special thermal curing process enhances temperature resistance

Features of DMD Insulation Paper:

1. Excellent Insulation Performance: DMD insulation paper possesses excellent electrical insulation properties, effectively isolating conductive parts of electrical equipment and preventing leakage or breakdown.

2. Chemical Corrosion Resistance: DMD insulation paper exhibits good chemical corrosion resistance, maintaining stable performance even in certain corrosive media.

3. Good Mechanical Strength: DMD insulation paper possesses good mechanical strength and abrasion resistance, capable of withstanding certain mechanical stress and wear.

4. High Temperature Resistance: DMD insulation paper exhibits good high temperature resistance. Grade F DMD paper typically withstands temperatures above 155℃, making it suitable for electrical equipment in high-temperature environments.

6641-F DMD Insulation Paper delivers exceptional thermal stability through its F-class adhesive technology, providing reliable performance in the most demanding high-temperature environments while maintaining excellent electrical and mechanical properties. 

Application: DMD composite insulation paper is used as slot liner, slot closure, phase and turn-to-turn insulation in electrical motors. It can be used as inter-layer insulation in transformers and other electrical appliances.