2022 High quality 6641 F-Dmd Electrical Insulating Paper Composite Material - 6641 F-class DMD flexible composite insulation paper – D&F
2022 High quality 6641 F-Dmd Electrical Insulating Paper Composite Material - 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.
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.
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.
Product detail pictures:
Related Product Guide:
With this motto in mind, we have turn out to be amongst probably the most technologically innovative, cost-efficient, and price-competitive manufacturers for 2022 High quality 6641 F-Dmd Electrical Insulating Paper Composite Material - 6641 F-class DMD flexible composite insulation paper – D&F , The product will supply to all over the world, such as: South Africa, Somalia, Colombia, we always keep our credit and mutual benefit to our client, insist our high quality service to moving our clients. always welcome the our friends and clients to come and visit our company and guid our business, if you are interested in our products, you can also submit your purchase information online, and we will contact you immediately, we keep our highly sincere cooperation and wish everything in your side are all well.
By Elsie from Mecca - 2018.05.15 10:52
This company has the idea of "better quality, lower processing costs, prices are more reasonable", so they have competitive product quality and price, that's the main reason we chose to cooperate.
By Pandora from South Africa - 2018.09.21 11:01