• facebook
  • sns04
  • twitter
  • linkedin
Call Us: +86-838-3330627 / +86-13568272752
page_head_bg

China Gold Supplier for China Factory Price Electrical Motor Winding 6640 Class F Nomex/Mylar/Nomex Flexible Laminated Nmn Insulating Paper

China Gold Supplier for China Factory Price Electrical Motor Winding 6640 Class F Nomex/Mylar/Nomex Flexible Laminated Nmn Insulating Paper

short description:

6640 Polyester film/polyaramide fibre paper flexible laminate (NMN) is a three-layer flexible composite insulation paper in which each side of polyester film (M) is bonded with one layer of polyaramide fibre paper (Nomex). It is also calles as 6640 NMN or F class NMN, NMN insulation paper and NMN insulating paper.


Product Detail

Product Tags

Being supported by an advanced and professional IT team, we could offer technical support on pre-sales & after-sales service for China Gold Supplier for China Factory Price Electrical Motor Winding 6640 Class F Nomex/Mylar/Nomex Flexible Laminated Nmn Insulating Paper, We’ve been now seeking forward to even better cooperation with overseas consumers dependant on mutual added benefits. For anyone who is interested in almost any of our products and solutions, be sure to experience totally free to contact us for more specifics.
Being supported by an advanced and professional IT team, we could offer technical support on pre-sales & after-sales service for China Nomex Paper, Nmn Composite Paper, Our company’s main products are widely used all over the world; 80% of our products exported to the United States, Japan, Europe and other markets. All stuff sincerely welcome guests come to visit our factory.

6640 Polyester film/polyaramide fibre paper (Nomex paper) flexible laminate (NMN) is a three-layer flexible composite insulation paper in which each side of polyester film (M) is bonded with one layer of polyaramide fibre paper (Nomex) imported from Dupont. The thermal class is F. It is also calles as 6640 NMN or F class NMN, NMN insulation paper and NMN insulating paper.

6640 (1)
6640 (2)

Product Features

6640 NMN has excellent electrical insulating properties, heat resistance, mechanical strength and impregnated property.

Applications

Used for slot insulation, interphase insulation, inter turn insulation and liner insulation in F-class electric motors and electric appliances.

According to customer’ request, we can produce two-layer laminate NM.

Insulation for electric motor
image4
image5

Supply Specifications

Nominal width:900 mm.

Nominal weight: 50+/-5kg /Roll. 100+/-10kg/roll, 200+/-10kg/roll

The splices shall not be more than 3 in a roll.

Color: natural color.

Packing And Storage

6640 is supplied in rolls, sheet or tape and packed in cartons or/and pallets.

6640 should be stored in clean & dry warehouse with temperature below 40℃. Keep away from fire, heat and direct sunshine.

Test Method

As per the stipulations in Part Ⅱ: Test Method, Electrical Insulating Flexible Laminates, GB/T 5591.2-2002 (MOD with IEC60626-2: 1995). 

Technical Performances

The standard values for 6640 are shown in Table 1 and relevant typical values shown in Table 2.

The properties (mechanical strength, breakdown voltage, flexibility and stiffness) of NMN are different for using different nominal thickness’ polyester film. The thickness of the polyester film should be clearly indicated in purchasing order or contract.

Table1:  Standard permormance values for 6640 (NMN) flexible composite insulation paper

No. Properties Unit Standard  performance values
1 Nominal thickness mm 0.15 0.18 0.2 0.23 0.25 0.3 0.35
2 Thickness tolerance mm ±0.02 ±0.03 ±0.04
3 Grammage g/m2 180±25 210±30 240±30 260±35 300±40 350±50 430±50
4 Tensile strength MD Not folded N/10mm ≥150 ≥160 ≥180 ≥200 ≥220 ≥270 ≥320
After folded ≥80 ≥110 ≥130 ≥150 ≥180 ≥200 ≥250
TD Not folded ≥90 ≥110 ≥130 ≥150 ≥180 ≥200 ≥250
After folded ≥70 ≥90 ≥110 ≥130 ≥150 ≥170 ≥200
5 Elongation TD % ≥10 ≥12
MD ≥15 ≥18
6 Breakdown Voltage Not folded kV ≥7 ≥10 ≥11 ≥12 ≥13 ≥15 ≥20
After folded ≥6 ≥8 ≥9 ≥10 ≥12 ≥13 ≥16
7 Bonding property at room temp No delamination
8 Bonding propertyat 180℃±2℃, 10min No delamination, no bubble, no adhesive flow
9 Temperature index for thermal endurance (TI) ≥155

Table 2  Typical  permormance values for 6640 (NMN) flexible composite insulation paper

No. Properties Unit Typical  performance values
1 Nominal thickness mm 0.15 0.18 0.2 0.23 0.25 0.3 0.35
2 Thickness tolerance mm 0.01 0.01 0.015
3 Grammage g/m2 185 215 246 270 310 360 445
4 Tensile strength MD Not folded N/10mm 163 205 230 267 287 325 390
After folded 161 202 225 262 280 315 370
TD Not folded 137 175 216 244 283 335 380
After folded 135 170 210 239 263 330 360
5 Elongation TD % 20 22
MD 25 30
6 Breakdown Voltage Not folded kV 11 13 15 17 22 23 24
After folded 9 11 14 16 19 21 22
7 Bonding propertyat room temp No delamination
8 Bonding propertyat 180℃±2℃ 10min No delamination, no bubble, no adhesive flow.
9 Temperature indexFor thermal endurance (TI) 173

Production Equipment

We have two lines, the production capacity is 200T/month.

image6
image8
image7
image9
Being supported by an advanced and professional IT team, we could offer technical support on pre-sales & after-sales service for China Gold Supplier for China Factory Price Electrical Motor Winding 6640 Class F Nomex/Mylar/Nomex Flexible Laminated Nmn Insulating Paper, We’ve been now seeking forward to even better cooperation with overseas consumers dependant on mutual added benefits. For anyone who is interested in almost any of our products and solutions, be sure to experience totally free to contact us for more specifics.
China Gold Supplier for China Nomex Paper, Nmn Composite Paper, Our company’s main products are widely used all over the world; 80% of our products exported to the United States, Japan, Europe and other markets. All stuff sincerely welcome guests come to visit our factory.


  • Previous:
  • Next: