Class F Prepreg for Dry Transformers (Class F DMD prepreg)
Basic Info.
Product Description
CLASS F DMD
Class F Epoxy Prepreg for dry type transformer
Product Specification
Class F Epoxy Prepreg used in dry type transformer is made of polyester film polyester fiber non-woven soft composite material impregnated with heat-resistance epoxy resin through baking.
Feature and Application
The solidified materials have high mechanical strength, outstanding dielectric properties and adhesive properties, heat resistance grade is Class F.
It is applicable to the layer insulation and end insulation of Class F dry type transformers coils or electric reactor, as well as the layer insulation, slot insulation and turn to turn insulation of electrical machinery and electric appliance.
Product Model: 6440
6440(JB/T10942-2010)
Performance requirements of 6440 Epoxy Prepreg(JB/T10942-2010)
| No. | Performance | Unit | Requirements | |||||
| 1 | Nominal thickness | mm | 0.15 | 0.18 | 0.20 | 0.25 | 0.30 | 0.40 |
| 2 | Deviation of thickness | mm | ±0.02 | ±0.02 | ±0.03 | ±0.03 | ±0.03 | ±0.04 |
| 3 | Tensile strength Lengthways no bending |
N/10mm | ≥70 | ≥70 | ≥80 | ≥80 | ≥100 | ≥100 |
| 4 | Soluble resin content | g/ | ≥45 | |||||
| 5 | Volatile content | % | ≤1.5 | |||||
| 6 | Breakdown voltage | kV | ≥7.0 | ≥8.0 | ≥10.0 | |||
| 7 | Tensile shear strength | MPa | ≥3.0 | |||||
| 8 | Temperature exponent | - | ≥155 | |||||
| :(0.11mm,0.12mm,0.13mm,0.14mm0.16mm) ,. Remarks: Other specification of products (for example: 0.11mm,0.12mm,0.13mm,0.14mm and 0.16mm) or special requirements from users, the supply can be negotiated according to the user's needs. :10mm~1400mm; Supply width: 10mm~1400mm; |
||||||||
() Application process reference (process condition of coil baked)
| Curing temperature | Time |
| 80ºC→120ºC/120ºC | 0.5h/1h~2h |
| 120ºC→150ºC/150ºC | 0.5h~1h/4h~8h |
| 150ºC→120ºC/120ºC | 1h/1h~2h |
| 120ºC→80ºC/80ºC | 0.5h/1h |
| Remarks: Due to diversity of production and application of each transformer plant, the above data can be adjusted according to the actual situation of the manufacturer and the size of the workpiece. | |
Product consultation
Online search
Try to provide customers with perfect products and services.
Jiangxi Tengde Industrial Co., Ltd.
Tel：086-794-7888226
Fax：086-794-7881095
mobile phone：18679404688
E-mail：2061631242@qq.com
Address: No. 222 Anshi Avenue, Fuzhou high tech Industrial Park, Jiangxi Province
Official official account
0794-7888226
E-mail 
Copyright © Jiangxi Tengde Industrial Co., Ltd. All Rights Reserved 赣ICP备15002964号 Powered by www.300.cn SEO