F class DMD polyester paper:

 

Polyester Film / Polyester Fibre Nonwoven Fabric Flexible Laminate (DMD) is a three-layer flexible laminate, polyester fibre nonwoven cloth(D) is bonded to the two sides of polyester film(M).
Performance:
Excellnt mechanical strength
Godd impregnated and insulation properties
Heat resistance is Class F
Application:
slot insulation
phase to phase insulation
liner insulation in electric motor & electric apparatus

Technical Parameters

Item Unit Value
Appearance The surface should be even and free from wrinkle, blister and impurity
Standard thickness mm

0.15

0.20

0.25

0.30

0.35

Thickness tolerance mm

±0.02

±0.03

±0.03

±0.03

±0.03

Basic weight g/m2

155±25

195±30

250±40

300±45

360±45

Breakdown voltage No bending KV, ≥

9

9

9

9

10

After bending

8

8

8

8

9

Tensile strength MD N/cm, ≥

120

160

200

210

270

MD after bending

70

90

150

160

180

TD

80

100

120

130

170

TD after bending

50

80

100

110

130

Elongaton MD %, ≥

8

10

10

10

10

TD

7

8

8

8

8

Adhesion As received

No delamination

180±2℃/10min

No delamination, no bladder, no gel