China Cheap price Factory Supply Transformer Insulation Paper F Class DMD
Our well-equipped facilities and exceptional good quality manage throughout all stages of production enables us to guarantee total shopper satisfaction for China Cheap price Factory Supply Transformer Insulation Paper F Class DMD, Our concept will be to help presenting the confidence of each buyers with all the offering of our most honest support, and the right products.
Our well-equipped facilities and exceptional good quality manage throughout all stages of production enables us to guarantee total shopper satisfaction for China 6641 F-DMD and Insulation Paper, Our items are widely recognized and trusted by users and can meet continuously changing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
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.
Our well-equipped facilities and exceptional good quality manage throughout all stages of production enables us to guarantee total shopper satisfaction for China Cheap price Factory Supply Transformer Insulation Paper F Class DMD, Our concept will be to help presenting the confidence of each buyers with all the offering of our most honest support, and the right products.
China Cheap price China 6641 F-DMD and Insulation Paper, Our items are widely recognized and trusted by users and can meet continuously changing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!