TECHNICAL ARTICLE

Material advantages of DMD composite film

2021-06-21 13:56  |  By: ZTELEC  |  69click

DMD insulating composite film is a kind of composite insulating layer material, which is made of one layer of polyester film coated with adhesive and one side is polyester fiber fabric non-woven. The general name is DMD.

DMD is one of the composite insulating papers on the market. It has high impact toughness, dielectric performance and high temperature resistance (Class B and Class F). Polyester dmd paper is the shaping insulating layer material for Y series motors.

The thickness of dmd paper is: 0.15mm, 0.18mm, 0.20mm, 0.23mm, 0.25mm, 0.30mm, 0.35mm, 0.40mm, 0.45mm, etc.

High temperature resistant DMD insulating paper is divided into: B grade (130℃), F grade (156℃).

In addition, as high quality insulating paper, DMD composite film can be used as slot insulating layer, inter-turn insulating layer, solid insulating layer, gasket insulating layer of small and medium-sized motors and power transformer insulating layer. The product has long been used as a substitute for Nomex aramid fibers in the West and Southeast Asia.

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