P6640 polyester membrane aromatic polyamide paper soft composite materials::

P6640 polyester membrane aromatic polyamide paper soft composite materials

Temperature classification:F(155℃)
1.NMN is composed of two layers of Du Pont's NOMEX Brand Paper and one inner layer of polyester film to provide superior electrical mechanical,thermal properties and high mechanical strength.
It is suitable for insulation of slot,phase ,turn-to-turn and liner of F class motors and generators.

二、技术要求

No.	Index Name			Unit	Value
					Thickness mm
					0.20	0.25	0.30	0.35
1	Tensile stress	MD	average	Ｎ	≥118	≥147	≥196	≥235
			minimum		≥98	≥127	≥176	≥196
		XD	average		≥98	≥127	≥176	≥196
			minimum		≥78	≥108	≥157	≥176
2	Volume resistively		Room temp.	MΩ.m	≥1×10¹²
			155±2℃		≥1×10¹¹
			After moisture		≥1×10¹¹
3	Dielectric strength		Room temp	mv/m	≥30	≥35	≥38	≥38
			After bending		≥25	≥30	≥34	≥34
			115±2℃		≥25	≥30	≥34	≥34
			After moisture		≥25	≥30	≥34	≥34
Bond Strength at 25				No delarnination
Bond Strength at 155				No delamination,no blister,no adhesive flow

3.Dimension
NMN combined flexible material can be supplied in roll form ,reel form of sheet form .The weight of each reel is about 30-60kg depended on length required by customer. Width of each reel is about 914mm.
4.Storage
NMN should be stored under 40 in clean and dry warehouse,stay away from fire,heat and avoid direct sunshine.The storage life is 12 months from the date of dispatch .If the storage time is over 12months ,the product should be tested and pass all the specification before use.