6641 POLYESTER FILM/POLYESTER FIBER NON-WOVEN FABRIC COMPOSITE (F-DMD)

Editor:【HAOJINGHUI INDUSTRIAL】 Time:【2014.09.10】 Views:【772】

1.      DESCRIPTION

6641 Polyester Film/Polyester Fiber non-woven Fabric composite (F-DMD) is made from one layer of high melting point film and two layers of hot rolling polyester fiber non-woven fabric. The three layers of flexible insulation are bonded by class F adhesive glue.

 

2. FEATURES

Thermal  class F (155°C)

Excellent dielectric properties and mechanical tensile strength

Excellent absorption of impregnating and trickle resins

 

3. APPLICATIONS

Used as primary insulation for Class F applications in the electrical industry, in particular as slot insulation, phase barrier and interturn insulation for motors and transformers.


4. TECHNICAL PARAMETER 

Item

Unit

Normal value

Normal thickness

mm

0.15

0.18

0.20

0.23

0.25

0.30

0.35

0.40

 

Thickness tolerance

mm

±0.020

±0.025

±0.030

±0.030

±0.030

±0.035

±0.040

±0.040

 

Density

g/m2

150±22

190±28

210±32

240±36

260±39

310±46

390±58

440±66

 

Tensile strength

MD

N/10mm

80

100

120

130

150

170

200

300

 

TD

80

90

105

115

130

150

180

220

 

Breakdown voltage

At room temp.

kv

7.0

6.0

8.0

7.0

9.0

8.0

10.0

9.0

11.0

10.0

13.0

12.0

15.0

14.0

18.017.0

 

155±2

 


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