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6650(NHN) Polyimide film/polyaramid paper flexible composite material

Characteristics and application: Temperature classification is H. Excellent electrical and mechanical properties especially at high temperature and after being humidified. Used for the insulation against ground and between turns as well as liner insulation for coil of motors and apparatus.

Standards: JB/T4062.1-1995

6650(NHN) Technical Characteristics

No Item Unit Normal Value
1 Nominal thickness mm 0.15 0.17 0.20 0.23 0.25 0.30 0.33
2 Thickness tolerance mm ±0.02 ±0.03 ±0.04 ±0.05
3 Weight g/㎡ 155±25 175±25 195±30 230±35 260±40 300±45 330±50
4 Tensile strength lengthwise Normal N/10mm ≥120 ≥140 ≥160 ≥180 ≥200 ≥250 ≥270
bended ≥70 ≥90 ≥90 ≥130 ≥150 ≥170 ≥180
crosswise Normal ≥80 ≥90 ≥100 ≥110 ≥120 ≥150 ≥170
bended ≥50 ≥70 ≥80 ≥80 ≥100 ≥110 ≥130
5 Elongation lengthwise % ≥10
crosswise ≥8
6 Breakdown voltage Normal KV ≥8 ≥9 ≥10
After bending ≥7 ≥8 ≥9
7 Bonding strength at room temperature No delamination
8 Bonding strength at (200±2) ℃ for 10min No delamination, blister and gummosis
Remarks: The width of product is general 900mm and the storage life is 12 months. We can cut and supply the tapes according to the requirements of the customers
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