Nomex 410

Eight characteristics of Nomex410 insulating paper: Typical electrical property values for Type 410 paper. The dielectric strength value in Table 1 when the AC voltage rises rapidly reflects the electric field strength level that can withstand 10 to 20 seconds at a frequency of 60 Hz, rather...

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Eight characteristics of Nomex410 insulating paper:

Typical electrical property values for Type 410 paper. The dielectric strength value in Table 1 when the AC voltage rises rapidly reflects the electric field strength level that can withstand 10 to 20 seconds at a frequency of 60 Hz, rather than long-term high voltage. DuPont recommends that the continuous voltage in the transformer should not exceed 1.6KV/mm (40V/mil) in order to minimize the risk of partial discharge (corona). The full wave impact dielectric strength values in Table 1 are generated on flat materials such as interlayers and enclosures. The geometry of the system structure affects the actual impact strength value of the material. These dielectric strength data are typical values and are not intended as maximum values for design purposes. Design values are available upon request.
As shown in Figure 1, temperature has little effect on dielectric strength and permittivity.

Electrical Insulation Materials Commodities Marketplace Nomex 410 Aramid Paper Nmn Paper Insulation Nmn Nomex Paper 6640

Model: YA6640 Insulation Grade: F/H Nomex + electrical insulated polyester film + Nomex Width: 5mm-1.3M, normal 1m Thickness: 0.15 mm-0.40mm0.088mm-0.45mm

Item	Unit	parameter	parameter	parameter	parameter	parameter	parameter	parameter	parameter
Nominal thickness	mm	0.15	0.17	0.19	0.22	0.24	0.26	0.31	0.41
Thickness tolerance	mm	±0.022	±0.022	±0.022	±0.022	±0.024	±0.026	±0.031	±0.041
Grammage	g/m2	150±18	170±20	200±24	230±27	270±32	305±36	360±43	515±61
Film nominal thickness	um	36	50	75	100	125	150	188	300
Tensile strength MD no bending	N/10mm	≥150	≥150	≥170	≥190	≥220	≥240	≥270	≥370
Tensile strength MD after bending	N/10mm	≥90	≥90	≥105	≥120	≥150	≥180	≥200	≥330
Tensile strength TD no bending	N/10mm	≥80	≥90	≥100	≥110	≥130	≥170	≥200	≥300
Tensile strength TD after bending	N/10mm	≥70	≥70	≥90	≥100	≥120	≥150	≥150	≥230
Elongation (%) MD	%	≥15	≥15	≥15	≥15	≥3	≥3	≥3	≥3
Elongation (%) TD	%	≥20	≥20	≥20	≥20	≥20	≥10	≥10	≥10