Class F flexible composite DMD
Class F flexible composite DMD is made of PET film and two layers of non-woven fiber,compounded by grade F thermal upgraded adhesive.This product has good mechanical property, electrical property and reliable adhesive property.It’s widely used as turn,layer and backing insulating in grade F motors and transformers.
Recommended width:1000mm、1200mm、1300mm、1400mm.It can be slit to bobbins,or according to customers’ requirements.
Storage
Class F flexible composite DMD should be stored in a dry,clean and well-ventilated warehouse,and keep away from the fire,heating and sunshine.
Specification
No. | Property | Unit | Requirements | |||||
1 | Nominal thickness | mm | 0.15 | 0.20 | 0.25 | 0.30 | 0.35 | |
2 | Tolerance of thickness | mm | ±0.02 | ±0.03 | ±0.03 | ±0.03 | ±0.035 | |
3 | Tensile strength | MD | N/10mm | ≥80 | ≥120 | ≥150 | ≥170 | ≥200 |
CD | ≥80 | ≥105 | ≥130 | ≥150 | ≥180 | |||
4 | Elongation(No bending) | MD | % | ≥10 | ||||
CD | ≥15 | |||||||
5 | Breakdown voltage | kV | ≥6 | ≥8 | ≥10 | ≥11 | ≥13 | |
6 | Bonding strength | Room temp. | - | No delamination | ||||
（155±2）℃/10min | - | No delamination,no bubble,no leak of glue | ||||||
