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Professional China High Temperature Insulation Paper 6650 Nhn - 6641 F-class DMD flexible composite insulation paper – D&F

Professional China High Temperature Insulation Paper 6650 Nhn - 6641 F-class DMD flexible composite insulation paper – D&F

Professional China High Temperature Insulation Paper 6650 Nhn - 6641 F-class DMD flexible composite insulation paper – D&F Featured Image
  • Professional China High Temperature Insulation Paper 6650 Nhn - 6641 F-class DMD flexible composite insulation paper – D&F
  • Professional China High Temperature Insulation Paper 6650 Nhn - 6641 F-class DMD flexible composite insulation paper – D&F
  • Professional China High Temperature Insulation Paper 6650 Nhn - 6641 F-class DMD flexible composite insulation paper – D&F
  • Professional China High Temperature Insulation Paper 6650 Nhn - 6641 F-class DMD flexible composite insulation paper – D&F
  • Professional China High Temperature Insulation Paper 6650 Nhn - 6641 F-class DMD flexible composite insulation paper – D&F

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With state-of-the-art technologies and facilities, strict good quality regulate, reasonable cost, exceptional assistance and close co-operation with prospects, we're devoted to supplying the top benefit for our customers for Battery Pack Bus Bar, flexible insulation paper for dry transformer, SMC molded parts, Our professional technical team will be wholeheartedly at your service. We sincerely welcome you to visit our website and company and send us your inquiry.
Professional China High Temperature Insulation Paper 6650 Nhn - 6641 F-class DMD flexible composite insulation paper – D&F Detail:

6641 Polyester film/polyester non-woven flexible laminate (Class F DMD) insulation paper is a three-layer flexible laminate made of high melting-point polyester film and excellent hot-rolling polyester non-woven fabric. Each side of the polyester film (M) is bounded by one layer of polyester non-woven fabric (D) with Class F adhesive.

DMD(1)
复合6641 F-DMD(6)(1)

Product Features

6641 F-class DMD flexible composite insulation paper has excellent thermal resistance, electrical, mechanical and impregnated properties.

Applications & Remarks

6641 F-class DMD insulation paper has such advantages: lower price, excellent flexibility, high mechanical & electrical properties, convenient application. It has also good compatibility with many kinds of impregnating varnish.

It is suitable for slot insulation, inter phase insulation and liner insulation in F-class electric motors.

According to customer’ request, we can  also produce such two-layer or five-layer flexible composite as  F-class DM, F-class DMDMD,etc.

Insulation for electric motor
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Supply Specifications

Nominal width：1000 mm.

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

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

Color: white, blue, pink or with D&F printed logo.

Technical Performances

The standard values for 6641 are shown in Table 1 and relevant typical values shown in Table 2.

Table 1: Standard  performance values for 6641 F-class DMD  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 0.4
2 Thickness tolerance mm ±0.020 ±0.025 ±0.030 ±0.030 ±0.030 ±0.035 ±0.040 ±0.045
3 Grammage (for reference) g/m2 155 195 230 250 270 350 410 480
4 Tensile strength MD Not folded N/10mm ≥80 ≥100 ≥120 ≥130 ≥150 ≥170 ≥200 ≥300
After folded ≥80 ≥90 ≥105 ≥115 ≥130 ≥150 ≥180 ≥220
TD Not folded ≥80 ≥90 ≥105 ≥115 ≥130 ≥150 ≥180 ≥200
After folded ≥70 ≥80 ≥95 ≥100 ≥120 ≥130 ≥160 ≥200
5 Elongation MD % ≥10 ≥5
TD ≥15 ≥5
6 Breakdown voltage Room temp. kV ≥7.0 ≥8.0 ≥9.0 ≥10.0 ≥11.0 ≥13.0 ≥15.0 ≥18.0
155℃+/-2℃ ≥6.0 ≥7.0 ≥8.0 ≥9.0 ≥10.0 ≥12.0 ≥14.0 ≥17.0
7 Bonding property at room temp － No delamination
8 Bonding property at 180℃+/-2℃, 10min － No delamination,no bubble,no adhesive flow
9 Bonding property when affected by damp － No  delamination
10 Temperature index － ≥155

Table 2: Typical performance values for 6641 F-class DMD  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 0.4
2 Thickness tolerance mm 0.005 0.005 0.01 0.01 0.01 0.01 0.01 0.01
3 Grammage g/m2 138 182 207 208 274 326 426 449
4 Tensile strength MD Not folded N/10mm 103 137 151 156 207 244 324 353
After folded 100 133 151 160 209 243 313 349
TD Not folded 82 127 127 129 181 223 336 364
After folded 80 117 132 128 179 227 329 365
5 Elongation MD % 14 12
TD 18 12
6 Breakdown voltage Room temp. kV 8 10 12 12 14 15 16 28
155±2℃ 7 9 11 11 13 14 14.5 25
7 Bonding property at room temp － No delamination
8 Bonding property at 180℃+/-2℃,  10min － No delamination, no bubble, no adhesive flow
9 Bonding property when affected by damp － No delamination

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). 

Packing And Storage

6641 is supplied in rolls, sheet or tape and packed in cartons or/and pallets.

6641 should be stored in clean & dry warehouse with temperature below 40℃. Keep away from fire, heat and direct sunshine.

Production Equipment

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

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Product detail pictures:

Professional China High Temperature Insulation Paper 6650 Nhn - 6641 F-class DMD flexible composite insulation paper – D&F detail pictures

Professional China High Temperature Insulation Paper 6650 Nhn - 6641 F-class DMD flexible composite insulation paper – D&F detail pictures

Professional China High Temperature Insulation Paper 6650 Nhn - 6641 F-class DMD flexible composite insulation paper – D&F detail pictures

Professional China High Temperature Insulation Paper 6650 Nhn - 6641 F-class DMD flexible composite insulation paper – D&F detail pictures

Professional China High Temperature Insulation Paper 6650 Nhn - 6641 F-class DMD flexible composite insulation paper – D&F detail pictures

Related Product Guide:
Our organization insists all along the quality policy of "product quality is base of business survival; purchaser gratification is the staring point and ending of an business; persistent improvement is eternal pursuit of staff" as well as the consistent purpose of "reputation 1st, purchaser first" for Professional China High Temperature Insulation Paper 6650 Nhn - 6641 F-class DMD flexible composite insulation paper – D&F , The product will supply to all over the world, such as: Irish, Iraq, Uruguay, Immediate and specialist after-sale service supplied by our consultant group has happy our buyers. Detailed Info and parameters from the merchandise will probably be sent to you for any thorough acknowledge. Free samples may be delivered and company check out to our corporation. n Morocco for negotiation is constantly welcome. Hope to get inquiries type you and construct a long-term co-operation partnership.
    • Customer service staff and sales man are very patience and they all good at English, product's arrival is also very timely, a good supplier.
    5 Stars By Eric from Mongolia - 2017.10.13 10:47
    After the signing of the contract, we received satisfactory goods in a short term, this is a commendable manufacturer.
    5 Stars By Jenny from Armenia - 2018.06.09 12:42

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