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Products
Mica Tapes for VPI
Polyimide Film Mica Tape
Description
Polyimide Film Backed Mica Tape, is mostly used for traction motor, a duplex laminate constructed of mica paper with aramid fibrid or muscovite mica paper bonded to polyimide film (e.g. Kapton) or corona resistant polyimide film with a high temperature silicone binder.
Corona Resistant Polyimide Film Mica Tape has excellent flexibility, high thermal resistance, good corona resistance, excellent physical and electrical properties after VPI treatment.

Application
Polyimide Film Mica Tape is widely used as a slot , an inter-turn, an inter-phase insulation for traction motor, transformer, and coils of class N (200°C).

Technical Data

Properties Unit KM563 KM563N KM563NCR
Nominal Thickness mm 0.11 0.14 0.13 0.11
Thickness Tolerance mm ±0.015 ±0.015 ±0.015 ±0.015
Muscovite Content g/m2 120±10 160±10 — —
Mica with Aramid Fibrid g/m2 — — 88±5 88±5
Polyimide Film g/m2 49±4 49±4 63±5 —
CR Polyimide Film g/m2 — — — 40±3
Binder Content % <10 <10 10±3 10±3
Volatile Content % <2 <2 <2 <2
Dielectric Strength MV/m ≥ 55 ≥ 55 ≥ 55 ≥ 55
Tensile Strength N/cm ≥ 30 ≥ 40 ≥ 40 ≥ 40
Fire Resistance Class N N N N
Test Method IEC60371-2

Supply Standard
Standard Length: 30m, 100m, 200m, 300m.
Pads Width:     10mm & upwards
Rolls Width:     max. width 980mm
Core  ID:       76mm plastic or paper

Notes:  Special thickness or combinations can be supplied according to customer.
Products can be supplied in master rolls or pads according to customer requests.




GR Cable Materials (Jiangxi) Co,.ltd

Add: Yifeng Industrial Park, Yifeng, Yichun, Jiangxi, 336300, China.

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Contact us
Mr. Wong
Mobile：+86 133 39885505
Fax：+86 795 2902233
Email：sales@gr-materials.com
Web：www.gr-materials.com