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DMD

DMD is made of polyester film composite 2 layers of polyester non-woven fabric, has good mechanical and electrical properties, mainly used for high and low voltage motor slot and phase insulation, transformer interlayer insulation or end insulation. Storage: It should be stored in a dry and clean room with a temperature not higher than 25 ℃, and should not be close to fire, heating or sunlight. Serial number performance unit requires 1 thickness mm0.150.180.202 thickness tolerance% ± 153 quantitative g/mm21451902204 quantitative tolerance% ± 125 film thickness μm50751006 tensile strength longitudinal n/10mm ≥ 110 ≥

Key words:

Oil-Immersed Transformer Insulating Materials | Mutual Inductor Insulation Materials

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Product Description

Dacron-Mylar-Dacron (DMD) is made of composite polyester film with 2 layers of non-woven fabric, featuring better mechanical and electrical performance, and it is mainly applied in the slot-to-slot and phase-to-phase insulation in the high and low voltage motors as well as the interlayer insulation or end insulation in transformers.
Storage:
It shall be stored in a dry and clean room with a temperature not exceeding 25℃ and must be kept away from fire sources, heaters, and direct sunlight.

Serial Number	Performance		Unit	Requirements
1	Thickness		mm	0.15	0.18	0.20
2	Thickness tolerance		%	±15
3	Quantitative		g/mm2	145	190	220
4	Quantitative tolerance		%	±12
5	film thickness		Μm	50	75	100
6	Tensile strength	Vertical	N/10mm	≥ 110	≥ 140	≥160
6	Tensile strength	Transverse	N/10mm	≥90	≥ 105	≥120
7	breakdown voltage		kV	≥6.0	≥ 7.0	≥ 9.0
8	Temperature Index (T. I)		--	≥ 130

Zhongling insulation material