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Fire proof mica tape
Electrical Insulation Mica Tape for transformers
   

This mica tape is built up with mica as base material and electrical-use alkali-free glass-cloth, polyester or polyemide film as reinforcing material, bonded by binder and formed a tape-like insulation material. It is perfectly flexible under the normal temperature and after reeling on the coil of electrical machinery, may be solidified and has a thin insulation thickness and excellent electrical and mechanical strength.

Type Designation


Normal thickness
(mm)


Mica content
(%)

Binder content(%)

Volatile
(%)


Dielectric
strength
(MV/m)


Tensile
strenght
(N/10mm)

Epoxider glass polyester film mica paper tape

0.14

≥37

26~34

≤4.0

≥40

≥65

Silicone Glass Polymide mica paper tape

0.14

≥45

8~18

≤2.0

≥50

≥65

Epoxider glass on both surfaces polyester film mica paper tape

0.11

≥45

16~24

≤2.0

≥50

≥65

Phenol aldehyde Epoxider less adhesion material on one surface polyimide mica paper tape

0.13

≥70

≤10

≤2.0

≥40

≥30

Phenol aldehyde Epoxider glass polyimide mica paper tape

0.14

≥37

25~32

≤4.0

≥40

≥65

Epoxider glass on both surfaces polyester film mica paper tape

0.18

≥40

24~30

≤3.0

≥65

≥80

Epoxide-TMA glass polyester film mica paper tape

0.14

≥38

28~35

≤2.0

≥55

≥65

Epoxider less adhesion material on one polyester film mica paper tape

0.09

≥55

8~14

≤2.0

≥50

≥35

Phenol aldehyde Epoxider glass polyester mica paper tape

0.12

≥45

29~39

≤3.0

≥35

≥65

Phenol aldehyde Epoxider on both surfaces polyester film mica paper tape

0.10

≥50

5~12

≤1.2

≥65

≥40

This mica tape is built up with mica paper as base material, bonded together by a suitable binder with electrical-use alkalifree glass-cloth as the reinforcing material on one or both its surfaces, forming a tape-like insulation. It is perfectly flexible under the normal temperature and after reeling on the coil of electrical machinery, may be solidifid and has a excellent electrical and mechanical strength.

Type Designation

Normal thickness
(mm)

Mica content(%)

Binder content(%)

Volatile
(%)

Dielectric
strength
(MV/m)

Tensile
strenght
(N/10mm)

TMA-Epoxide glass mica paper tape

0.14

≥45

17~25

≤3.0

≥25

≥100

TMA-Epoxide glass polyester film mica paper tape

0.14

≥40

17~25

≤3

≥60

≥65

Epoxide glass mica paper tape

0.14

≥37

≥34

≤2.0

≥35

≥100

Epoxide glass mica paper tape

0.14

≥37

≥36

≤3.0

≥24

≥80

TMA-Epoxide glass mica paper tape

0.14

≥37

≥36

≤2.0

≥35

≥100

0.20

Phenol aldehyde Epoxide glass mica paper tape

0.14

≥37

≥36

≤2.0

≥24

≥80

Phenol aldehyde Epoxide glass mica paper tape

0.11

≥45

≤32

≤3.0

≥24

≥80

Silicone glass mica paper tape

0.10

≥40

15~30

≤2.0

≥16

≥80

0.13

0.16

Silicone glass mica paper tape

0.14

≥37

20~40

≤2.0

≥16

≥80

0.17

PDPO glass mica paper tape

0.11

≥45

20~30

≤3.0

≥35

≥80

0.14

≥40

30~40

DPO glass polyimide film mica paper tape

0.14

≥37

24~32

≤4

≥50

≥80

   
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