Pure Nomex Aramid Paper 410 – DuPont

Pure Nomex® Aramid Paper 410 – DuPont | Premium Electrical Insulation Material

Pure Nomex® Aramid Paper 410 by DuPont is a high-performance electrical insulation material known for its exceptional thermal stability, high dielectric strength, and outstanding mechanical durability. Manufactured from 100% aramid fibers, Nomex® 410 maintains its insulating properties even under continuous high-temperature and high-voltage conditions, making it a trusted choice in critical electrical applications.

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Nomex® 410 is widely used in motors, transformers, generators, switchgear, and high-voltage electrical equipment. It offers excellent resistance to heat aging, chemicals, and mechanical stress, ensuring long service life and enhanced operational safety. Its uniform thickness, flexibility, and strength allow for easy processing in slot insulation, phase insulation, interlayer insulation, and barrier applications.

Designed for reliability and performance, Pure Nomex® Aramid Paper 410 – DuPont provides a proven, industry-standard insulation solution for demanding electrical and industrial environments.

Product Details

Brand

Pure Nomex® Aramid Paper 410 by DuPont

Insulation Class

‘H’ & ‘R’

Temperature Rang(°C)

180 – 220 °C

Color

Natural Off White

Thickness (mm)

0.05 – 0.76 mm (2 to 30 mil)

Surface

Smoothly Calendared

Width

10 mm to 1000 mm

Typical Electrical Properties

Property	Unit	2	3	4	5	7	10	12	15	20	24	30	Test Method
Dielectric Strength (AC Rapid Rise)	kV/mm	18	22	21	28	34	33	34	33	32	32	27	ASTM D149
Full Wave Impulse	kV/mm	39	39	36	55	55	63	N/A	55	55	N/A	49	ASTM D3426
Dielectric Constant (60 Hz)	—	1.6	1.6	1.8	2.4	2.7	2.7	2.9	3.2	3.4	3.7	3.7	ASTM D150
Dissipation Factor (60 Hz)	x10⁻³	4	5	6	6	6	6	7	7	7	7	7	ASTM D150

Humidity Effects on Electrical Properties (0.25 mm)

Property	Condition	Oven Dry	50%	96%	Test Method
Dielectric Strength	kV/mm	33.5	33.2	30.7	ASTM D149
Dielectric Constant	60 Hz	2.5	2.7	3.2	ASTM D150
Dissipation Factor	x10⁻³	6	14	25	ASTM D150
Volume Resistivity	ohm·cm	6×10¹⁶	2×10¹⁶	2×10¹⁴	ASTM D257

Property	Unit	2	3	4	5	7	10	12	15	20	24	30	Test Method
Basis Weight	g/m²	41	64	88	115	174	249	310	395	549	692	839	ASTM D646
Density	g/cc	0.72	0.81	0.83	0.88	0.95	0.96	1.00	1.02	1.06	1.13	1.08
Tensile Strength MD	N/cm	43	68	93	141	227	296	380	462	610	728	816	ASTM D828
Tensile Strength XD	N/cm	19	34	49	71	116	161	185	252	374	500	592	ASTM D828