Product Description:

6640 NMN insulation paper is a three-ply flexible laminated consisting of PET film coated on both sides with Dupont nomex paper.

Product Advantage:

- Class F insulation (155°C)
- Excellent Heat Resistance, dielectric property and Mechanical Strength.
- Good cutting and overload resistance, high stiffness. Good compatibility with insulation varnish.

Product Application:

- Slot Insulation

- Phase to phase insulation

- Turn-to -turn insulation in low or medium voltage electrical motors insulation system

- Interlayer insulation in transformers and other electrical machines and appliances.

NMN6640 Nomex /Mylar/ Nomex aramid insulation paper is a kind of three-

layer flexible laminate in which the ourter-layer Dupont Nomex paper

is bonded to either side of Mylar( polyester film).

1. Descriptions

· Temp.class F (155 °C )

· Excellent heat resistance,dielectric property and mechanical strength

· Good cutting and overload resistance, high stiffness.Good compatibility with insulation varnish

· As slot, interturn and liner insulation for F-grade motors and electric appliances

1. Compositions:

Inner layer is Mylar( polyester film)

Outer layers are Dupont Nomex paper( Aromatic polyamide fiber paper)

3. Featurers:

High thermal resistance and tensile strength, Super edge tear resistance and electrical property

4. Applications

It is widely used as the slot insulaton and insulation between phases

for F- grade electric motors and other electric equipment insulaiton,based on slot, phase, interturn or liner

5. Availabilities:

· Shape: roll, sheet, strip

· Standard Thickness: 0.15mm, 0.20mm, 0.25mm, 0.30mm, 0.35mm, 0.40mm

· Standard Width: 914mm

Item			Unit	Value
Nominal Thickness			mm	0.15	0.18	0.20	0.23	0.25	0.30	0.35
Thickness Tolerance			mm	±0.02		±0.03
Norminal Grammage			g/squaremeter	180±25	210±30	240±30	260±35	300±40	350±50	430±50
Tensile Strength	Lengthwise	Not Bended	N/10mm	>150	>160	>180	>200	≥220	≥270	≥320
	Lengthwise	Bended		>80	>110	>130	>150	≥180	≥200	≥250
	Crosswise	Not Bended		>90	>110	>130	>150	≥180	≥200	≥250
	Crosswise	Bended		>70	>90	>110	≥130	≥150	≥170	≥200
Elongation	Lengthwise	Not Bended	%	>10		≥12
Elongation	Crosswise	Not Bended	%	>15		≥18
Breakdown Voltage		Not Bended	KV	>7	≥10	≥11	≥12	≥13	≥15	≥20
Breakdown Voltage		Bended	KV	>6	≥8	≥9	≥10	≥12	≥13	≥16
Adhesive Property	Room Temperature		No delamination
Adhesive Property	180±2°C 10min		No delamination,blister,or adhersive flow
Temperature Index			°C	≥155
Storage Life			month	12 months,room temperature,dry and well-ventilated environment
Remark			This product is produced in accordance with JB/T4061.1-1995 and is tested in accordance with GB/T5591.2-2002

许昌睿源绝缘材料有限公司

6640 NMN INSULATION PAPER