
NMN(6640) flexible composite of PET film and Nomex paper
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- Details
NMN(6640)is made of two layers of Nomex paper and one layer of PET film,coated with grade H thermal upgraded adhesive.It has high mechanical properties, dielectric and thermal upgrade properties, and low dissipation factor.It can be used as turn and backing insulating material in grade F and grade H transformers,motors and other electrical appliances. The NMN can work for a long time in a 180℃ environment.
Recommended width
910mmand narrower.Tailor-made width is available.
Storage
The product should be stored in dry,clean and well-ventilated warehouse under 30℃. The fire,heat sources and direct sunshine should be avoided.
No. | Property | Unit | Requirements | ||||||||
1 | Nominal thickness | mm | 0.15 | 0.17 0.20 0.25 0.30 | 0.37 0.47 0.52 | ||||||
2 | Thickness tolerance | % | ±15 | ±10 | |||||||
3 | Nomex paper | mm | 0.05 | 0.08 | |||||||
4 | Film nominal thickness | mm | 0.05 | 0.075 | 0.10 | 0.125 | 0.188 | 0.25 | 0.35 | 0.35 | |
5 | Tensile strength | MD | N/10mm Width | ≥150 | ≥160 | ≥170 | ≥220 | ≥270 | ≥330 | ≥400 | ≥450 |
CD | ≥90 | ≥90 | ≥105 | ≥150 | ≥200 | ≥300 | ≥300 | ≥300 | |||
6 | Elongation | MD | % | ≥15 | ≥20 | ||||||
CD | ≥20 | ≥25 | |||||||||
7 | Breakdown Voltage | No bending | kV | ≥7 | ≥8 | ≥11 | ≥14 | ≥19 | ≥23 ≥28 | ≥30 | |
Bended | ≥6 | ≥7 | ≥9 | ≥12 | ≥15 | ≥18 | ≥20 | 一 | |||
8 | Bonding strength | Normal | 一 | No delamination | |||||||
180±2℃/10min | No delamination,no bubble,no lesk of glue | ||||||||||
Note:The specification can be determined with customers. |