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.PropertyUnitRequirements
Nominal thicknessmm0.15 
0.17     0.20    0.25     0.30

0.37    0.47     0.52
Thickness tolerance%±15±10
Nomex papermm  0.05 0.08 
Film nominal thicknessmm0.05 0.075 0.10 0.125 0.188 0.25 0.35 0.35 
Tensile strengthMDN/10mm
Width
≥150≥160≥170≥220≥270≥330≥400≥450
CD≥90≥90≥105≥150≥200≥300≥300≥300
ElongationMD%≥15≥20
CD≥20≥25
Breakdown VoltageNo bendingkV≥7≥8≥11≥14≥19≥23     ≥28≥30
Bended≥6≥7≥9≥12≥15≥18≥20
Bonding strengthNormalNo delamination
180±2℃/10minNo delamination,no bubble,no lesk of glue
Note:The specification can be determined with customers.


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