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Professional China High Temperature Insulation Paper 6650 Nhn - 6640 NMN Nomex paper polyester film flexible composite insulation paper – D&F

Professional China High Temperature Insulation Paper 6650 Nhn - 6640 NMN Nomex paper polyester film flexible composite insulation paper – D&F

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It truly is a great way to improve our merchandise and repair. Our mission should be to create imaginative products to prospects with a excellent knowledge for China Insulation Paper, H-class flexible laminate, 6641 F Dmd, Our aim is to help customers realize their goals. We are making great efforts to achieve this win-win situation and sincerely welcome you to join us.
Professional China High Temperature Insulation Paper 6650 Nhn - 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.

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
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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:

Professional China High Temperature Insulation Paper 6650 Nhn - 6640 NMN Nomex paper polyester film flexible composite insulation paper – D&F detail pictures

Professional China High Temperature Insulation Paper 6650 Nhn - 6640 NMN Nomex paper polyester film flexible composite insulation paper – D&F detail pictures

Professional China High Temperature Insulation Paper 6650 Nhn - 6640 NMN Nomex paper polyester film flexible composite insulation paper – D&F detail pictures

Professional China High Temperature Insulation Paper 6650 Nhn - 6640 NMN Nomex paper polyester film flexible composite insulation paper – D&F detail pictures

Professional China High Temperature Insulation Paper 6650 Nhn - 6640 NMN Nomex paper polyester film flexible composite insulation paper – D&F detail pictures


Related Product Guide:

In the past few years, our company absorbed and digested advanced technologies both at home and abroad. Meanwhile, our company staffs a team of experts devoted to the development of Professional China High Temperature Insulation Paper 6650 Nhn - 6640 NMN Nomex paper polyester film flexible composite insulation paper – D&F , The product will supply to all over the world, such as: Greenland, Honduras, Japan, Our company will continue to serve customers with best quality, competitive price and timely delivery & the best payment term! We sincerely welcome friends from all over the world to visit& cooperate with us and enlarge our business. If you are interested in our products, please do not hesitate to contact us, we will be happy to provide you with further information!
  • With a positive attitude of "regard the market, regard the custom, regard the science", the company works actively to do research and development. Hope we have a future business relationships and achieving mutual success.
    5 Stars By Ryan from Peru - 2018.11.02 11:11
    Superb technology, perfect after-sales service and efficient work efficiency, we think this is our best choice.
    5 Stars By Elsa from Lisbon - 2018.04.25 16:46