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6640 NMN INSULATION PAPER  
Detail
Code: 6640 Series: insulation paper
Spec: 0.13-0.45 Material: NOMEX
Color: WHITE Brand: DUPOND

Product Description:

6640 NMN insulation paper  is a three-ply flexible laminated consisting of PET film coated on both sides with Dupont nomex paper.

Product Advantage:

- Class F insulation (155°C)
- Excellent Heat Resistance, dielectric property and Mechanical Strength.
- Good cutting and overload resistance, high stiffness. Good compatibility with insulation varnish.

Product Application:

-  Slot Insulation

-  Phase to phase insulation

-   Turn-to -turn insulation in low or medium voltage electrical motors insulation system

-   Interlayer insulation in transformers and other electrical machines and appliances.

NMN6640 Nomex /Mylar/ Nomex aramid  insulation paper is a kind of three-

layer flexible laminate in which the ourter-layer Dupont Nomex paper

is bonded to either side of Mylar( polyester film).

1. Descriptions

· Temp.class F (155 °C )

· Excellent heat resistance,dielectric property and mechanical strength

· Good cutting and overload resistance, high stiffness.Good compatibility with insulation varnish

· As slot, interturn and liner insulation for F-grade motors and electric appliances

1. Compositions:

Inner layer  is  Mylar( polyester film)

Outer layers are Dupont Nomex paper( Aromatic polyamide fiber paper)

3. Featurers:

High thermal resistance and tensile strength, Super edge tear resistance and electrical property

4. Applications

It is widely used as the slot insulaton and insulation between phases

for F- grade electric motors and other electric equipment insulaiton,based on slot, phase, interturn or liner

5. Availabilities:

· Shape: roll, sheet, strip

· Standard Thickness: 0.15mm, 0.20mm, 0.25mm, 0.30mm, 0.35mm, 0.40mm

· Standard Width: 914mm

Item

Unit

Value

Nominal Thickness

mm

0.15

0.18

0.20

0.23

0.25

0.30

0.35

Thickness Tolerance

mm

±0.02

±0.03

Norminal Grammage

g/squaremeter

180±25

210±30

240±30

260±35

300±40

350±50

430±50

Tensile Strength

Lengthwise

Not Bended

N/10mm

>150

>160

>180

>200

≥220

≥270

≥320

Bended

>80

>110

>130

>150

≥180

≥200

≥250

Crosswise

Not Bended

>90

>110

>130

>150

≥180

≥200

≥250

Bended

>70

>90

>110

≥130

≥150

≥170

≥200

Elongation

Lengthwise

Not Bended

%

>10

≥12

Crosswise

Not Bended

>15

≥18

Breakdown Voltage

Not Bended

KV

>7

≥10

≥11

≥12

≥13

≥15

≥20

Bended

>6

≥8

≥9

≥10

≥12

≥13

≥16

Adhesive Property

Room Temperature

No delamination

180±2°C 10min

No delamination,blister,or adhersive flow

Temperature Index

°C

≥155

Storage Life

month

12 months,room temperature,dry and well-ventilated environment

Remark

This product is produced in accordance with JB/T4061.1-1995 and is tested in accordance with GB/T5591.2-2002

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