6640NMN insulation polyester film/nomex paper composite materialMateril: Nomex insulation paper(both sides)
Polyester film ( in center)
NMN(6640) Polyester Film & NOMEX Amide Fiber Paper Composites are a family of 3-ply laminates of NOMEX amide paper bonded to both sides of polyester film.
Excellent heat resistances, dielectric property and mechanical strength;
Good cutting and overload resistances, high stiffness;
Good compatibility with insulation F varnish
As slot, intertrun and liner insulations for F-grade motors and electric apliances
Thickness: 0.18mm 0.20mm 0.25mm 0.30mm 0.35mm
Width: 914mm color: White with yellow or orange line
Form: In rolls
Pacage: Carton and pallet Storage life---1 year
| NO. | Properties | Unit | Values | ||||||||||||||
| 1 | Nominal Thickness | mm | 0.15 | 0.18 | 0.2 | 0.23 | 0.25 | 0.3 | 0.35 | 0.4 | |||||||
| 2 | Thickness Tolerance | mm | ± 0.01 | ||||||||||||||
| 3 | Nominal Grammage | g/m2 | 180± 25 | 210± 30 | 240± 30 | 260± 35 | 300± 40 | 350± 50 | 430± 50 | 520± 50 | |||||||
| 4 | Tensile Strength | MD | No Bending | N/10 | ≥ 150 | ≥ 160 | ≥ 180 | ≥ 200 | ≥ 220 | ≥ 270 | ≥ 320 | ≥ 380 | |||||
| After Bending | mm | ≥ 80 | ≥ 110 | ≥ 130 | ≥ 150 | ≥ 180 | ≥ 200 | ≥ 260 | ≥ 300 | ||||||||
| TD | No Bending | ≥ 90 | ≥ 110 | ≥ 130 | ≥ 150 | ≥ 180 | ≥ 200 | ≥ 250 | ≥ 300 | ||||||||
| After Bending | ≥ 70 | ≥ 90 | ≥ 110 | ≥ 130 | ≥ 150 | ≥ 170 | ≥ 200 | ≥ 250 | |||||||||
| 5 | Elongation | TD | % | ≥ 10 | ≥ 12 | ||||||||||||
| MD | ≥ 15 | ≥ 18 | |||||||||||||||
| 6 | Breakdown Voltage | TD | kv | ≥ 7 | ≥ 10 | ≥ 11 | ≥ 12 | ≥ 13 | ≥ 15 | ≥ 20 | ≥ 20 | ||||||
| MD | |||||||||||||||||
| 7 | Bond Strength at 25ºC | No delamination | |||||||||||||||
| 8 | Bond Strength at 155ºC | No delamination, no blister, no adhesive flow | |||||||||||||||
| 9 | Heat-resistance | F Class 155ºC | |||||||||||||||
