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Hot sale H Class Insulation Paper - 6640 NMN Nomex paper polyester film flexible composite insulation paper – D&F

Hot sale H Class Insulation Paper - 6640 NMN Nomex paper polyester film flexible composite insulation paper – D&F

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Hot sale H Class Insulation Paper - 6640 NMN Nomex paper polyester film flexible composite insulation paper – D&F Detail:

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.

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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
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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.

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Product detail pictures:

Hot sale H Class Insulation Paper - 6640 NMN Nomex paper polyester film flexible composite insulation paper – D&F detail pictures

Hot sale H Class Insulation Paper - 6640 NMN Nomex paper polyester film flexible composite insulation paper – D&F detail pictures

Hot sale H Class Insulation Paper - 6640 NMN Nomex paper polyester film flexible composite insulation paper – D&F detail pictures

Hot sale H Class Insulation Paper - 6640 NMN Nomex paper polyester film flexible composite insulation paper – D&F detail pictures

Hot sale H Class Insulation Paper - 6640 NMN Nomex paper polyester film flexible composite insulation paper – D&F detail pictures


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Our firm sticks to the basic principle of "Quality is the life of your company, and status will be the soul of it" for Hot sale H Class Insulation Paper - 6640 NMN Nomex paper polyester film flexible composite insulation paper – D&F , The product will supply to all over the world, such as: Sheffield, Algeria, Armenia, Insisting over the high-quality generation line management and prospects guide provider, we've made our resolution to offer our shoppers using the initially stage purchasing and soon after provider working experience. Preserving the prevailing helpful relations with our prospects, we even now innovate our product lists the many time to meet up with the brand new wants and stick to the latest trend of this business in Ahmedabad. We're ready to facial area the difficulties and make the transform to grasp many of the possibilities in international trade.
  • We feel easy to cooperate with this company, the supplier is very responsible, thanks.There will be more in-depth cooperation.
    5 Stars By Sarah from British - 2017.10.13 10:47
    Sales manager is very enthusiastic and professional, gave us a great concessions and product quality is very good,thank you very much!
    5 Stars By Jodie from Morocco - 2017.09.29 11:19