Insulation Material Transformer Insulation Paper 6641 Class DMD for Motor Winding DMD Insulation

Product Description

1.Product Description:
 

NMN (Nomex paper/Polyester film/Nomex paper)is a Triple layer electrical insulation material of thermal class  F155ºC, consisting of polyester film covered with Du Pont Nomex paper. The polyester film giving the product mechanical and dielectric features, while the Du Pont Nomex paper gives the thermal resistance.This NMN has excellent electrical.mechanical,and impregnating properties.

 

2.Product Aplication:

 

DMD is mainly used as slot insulation,liner insulation, turn-to-turn insulation in electrical motors. It can be also used as interlayer insulation in transformers and other electrical machines and appliances.

 

Besides, red color impregnated DMD is widely used among dry-type transformers and low voltage coil insulation which is also used for slot insulation and phase insulation for Class F motor.

 

3.Product Data:

 

 

 

No.

Name

Unit

Index

1

Nominal Thickness

mm

0.15

0.18

0.20

0.23

0.25

0.30

0.35

0.40

2

Thickness Tolerance

mm

±0.020

±0.025

±0.030

±0.040

±0.040

3

Quantitative and Tolerance

g/square meter

150±22

190±28

210±32

240±36

260±39

310±46

390±58

440±66

4

Stretch Intensity

Vertical

unbended

N/10 mm

≥80

≥100

≥120

≥130

≥150

≥170

≥200

≥300

bended

≥80

≥90

≥105

≥115

≥130

≥150

≥180

≥220

Horizontol

unbended

≥80

≥90

≥105

≥115

≥130

≥150

≥180

≥220

bended

≥70

≥80

≥95

≥100

≥120

≥130

≥160

≥200

5

Stretch ratio

Vertical

%

≥15

≥5

Horizontal

≥10

≥5

6

Puncture Voltage

Normal conditon

kV

≥6

≥7

≥9

≥10

≥11

≥13

≥15

≥18

Bended

≥6

≥7

≥8

≥9

≥10

≥12

≥14

≥17

7

Normal adhesion

Non-hierarchical

8

Normal adhesion, 180±2°C, 10min

Non-hierarchical, non-bubbling, non-gumming

 

Packaging & Shipping

Company Information

Shenyang Youda Insulation Materials - Insulation Material Specialist for supporting Transformer and Electric machinery. Shenyang Youda Insulation Materials Co., Ltd. was founded in 1990, private high-tech enterprise with R&D, production, sales, and exporting.

 

Our company is specialized in producing, processing, selling different kinds of insulation materials, such as laminated boards, bars, tubes, molded products, composite materials, dipping materials, insulating paper, insulating ribbon, insulation varnish, mica products, engineering plastics. Our products are widely used for transformer, electric machinery, mutual inductor, electric reactor, heavy industry machinery, mine, railway, aerospace and so on.

 

Our company takes the core value of technology - leading, supreme customers, honesty and trustworthiness. Safety production, quality guaranteed, eco-friendly material is our promise. All the staff in Youda will provide high-quality products and best service for domestic and abroad customers through our exquisite technology and our best work style.

Certifications

  

FAQ

(1). Q: Can you give me a discount price?
A: It is depending on the volume.  
 
(2). Q: Why is your price higher than other suppliers?
A:  We can offer the products of different quality levels depends on customer's target price and quality requirement.
 
 (3). Q: How can I get a sample?
A: Non custom samples are free of charge. You only pay for the goods. We promise to deliver the sample within 48 hours. 
 
(4). Q: How can you guarantee the quality of mass production is same with the sample sent to me before?
A: Our process will  base on the samples which is the same as yours.   
 
(5).How do I know the progress of my product? 
Production department upload production schedule every day, you only need to consult the customer serv