New Arrival China Nomex Polyester Film Insulation Paper - 6641 F-class DMD flexible composite insulation paper – D&F
New Arrival China Nomex Polyester Film Insulation Paper - 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:
Our target is always to satisfy our customers by offering golden support, superior value and high quality for New Arrival China Nomex Polyester Film Insulation Paper - 6641 F-class DMD flexible composite insulation paper – D&F , The product will supply to all over the world, such as: Mumbai, Bolivia, Lithuania, Our domestic website's generated over 50, 000 purchasing orders every year and quite successful for internet shopping in Japan. We would be happy to have an opportunity to do business with your company. Looking forward to receiving your message !
By Penny from New Zealand - 2017.06.25 12:48
The enterprise has a strong capital and competitive power, product is sufficient, reliable, so we have no worries on cooperating with them.
By Elva from Washington - 2017.06.25 12:48
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