6520 POLYESTER FILM PRESSPAPER FLEXIBLE COMPOSITE INSULATION PAPER
Specifications
6520 polyester film with presspaper make by two layer flexibleThickness of polyester film :0.025mm, 0.036mm and 0.05mm
6520 Polyester Film Fish Paper Flexible compensite insulation paper
it is a two-ply flexible insulation materials consisting of fish paper and polyester film (Raw material of polyester film thickness 0.025mm,0.036mm,0.050mm ). The used adhesive is acid-free and temperature resistant. It has excellent electrical and mechanical properties, it can be used for low-voltage motors, electrical insulation in a groove , insulation and cushioning interterm insulation.
It enables easy processing on automatic machines.
It can be used as slot and phase insulation in low voltage machines or as interlayer insulation in transformers.
Special thicknesses or combinations can be supplied according to customer.
Products can be supplied in rolls,sheet,tapes or shapes according to customer requests.
Grade E insulation .
Clour: blue ,green, nature, drak green ,cyan
Avaliability thickness : .0.15.0.17.0.20.0.25.0.30.0.35mm
Breadth: 1000mm
Stardand: JB/T4059-1991
Properties | Units | Values | |||||||||||
Nominal thickness of the product (mm) | |||||||||||||
0.15 | 0.17 | 0.20 | 0.22 | 0.25 | 0.27 | 0.30 | 0.35 | 0.45 | |||||
Thickness tolerance | mm | ±0.020 | ±0.030 | ±0.035 | ±0.045 | ||||||||
Grammage and tolerance | g/m2 | 190±28 | 215±32 | 250±38 | 275±40 | 310±46 | 330±50 | 370±55 | 490±73 | 550±32 | |||
Nominal thickness of film | μm | 25 | 36 | 50 | |||||||||
Tensile strength | MD | No bending | N/ 10mm | ≥100 | ≥110 | ≥120 | ≥135 | ≥150 | ≥175 | ≥200 | ≥240 | ≥360 | |
After bending | ≥70 | ≥75 | ≥80 | ≥85 | ≥95 | ≥100 | ≥110 | ≥180 | ≥275 | ||||
TD | No bending | ≥80 | ≥85 | ≥90 | ≥90 | ≥95 | ≥100 | ≥105 | ≥120 | ≥180 | |||
After bending | ≥50 | ≥50 | ≥50 | ≥55 | ≥60 | ≥70 | ≥80 | ≥115 | ≥175 | ||||
Elongation | MD | % | ≥2 | ≥3 | |||||||||
TD | ≥8 | ≥10 | |||||||||||
Breakdown voltage | No bending | kV | ≥4.0 | ||||||||||
After bending | ≥2.5 | ||||||||||||
Bonding property at room temp. | / | No delamination | |||||||||||
Bonding property at 155°C±2°C 10min | / | No delamination, no bubble, no adhesive flow | |||||||||||
The quality warranty period | one years | ||||||||||||
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