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Class F DMDM Flexible Laminates----[[LIREN ELECTRICAL INSULATION MATERIALS]]
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 DMD PM Laminates >> Class F  Four-ply Flexible Laminates DMDM  
 

Class F  DMDM Four-ply Flexible Laminates

 

 

Description:

Class F DMDM Flexible Laminates (equivalent to Voltaflex ® F6646) is a four-ply flexible laminates consisting of polyester nonwoven-polyester film-polyester nonwoven-polyester film (DMDM). It has excellent electrical and mechanical properties and high thermal resistance.

 

Application:

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

 

Technical Data:

Item

Properties

Units

DMDM FD81 Typical Values

1

Structure

 

3-1-3-0.5

3-2-3-0.5

3-3-3-0.5

3-5-3-0.5

3-7.5-3-0.5

3-10-3-0.5

2

Nominal Thickness

mm

0.20

0.22

0.25

0.30

0.36

0.41

3

Thickness Tolerance

mm

0.024

0.026

0.03

0.03

0.04

0.4

4

Polyester nonwoven

mm

0.075

0.075

0.075

0.075

0.075

0.075

5

Polyester Film

mm

0.025

0.050

0.075

0.125

0.190

0.250

6

Polyester nonwoven

mm

0.075

0.075

0.075

0.075

0.075

0.075

7

Polyester Film

mm

0.012

0.012

0.012

0.012

0.012

0.012

8

Tensile Strength

MD

N/10mm

120

130

150

170

180

190

9

Tensile Strength

TD

N/10mm

100

110

140

160

170

180

10

Elongation

MD

%

15

15

15

5

5

3

11

Elongation

TD

%

20

20

20

5

5

3

12

Breakdown Voltage

KV

8

9

10

12

15

17

13

Bond strength at180210min

 

No delamination, no blister, no adhesive flow

  Rolls: 3 inch (76mm) Core, width from 4mm to 1000mm, approx. 50kg;

  Special thickness or combinations can be supplied according to customer.

 

Notes: The technical information and data, recommendations, and other statements provided are based on tests or experience which we believe to be reliable, but the accuracy or completeness of such information is not guaranteed. Before using this product, you must evaluate it and determine if it is suitable for your intended application. Voltaflex is a registered trademark of ISOVOLTA.

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