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| ELECTRICAL GRADE INSULATING KRAFT PAPER |
- Made entirely from high purity imported virgin fibres.
-
Used widely as electrical insulation wrap on aluminium and copper wires by conductor manufacturers, electrical insulation between layers of wound coils in electrical motors, in capacitors, transformers & such other electrical equipment
- Available in natural brown finish
| Technical data of ELECTRICAL GRADE INSULATING KRAFT PAPER |
| Specified Properties |
Units |
Values Specified |
| |
|
1.5mil |
2mil |
2.5mil |
3mil |
4mil |
5 mil |
| Thickness Tolerance |
Micron |
38+/-10% |
50+/-10% |
64+/-10% |
75+/-10% |
100+/-10% |
125+/-10% |
| Substance (Grammage) |
g / m^2 |
30+/-10% |
40+/-10% |
51+/-5% |
61+/-5% |
76+/-5% |
100+/-5% |
| Apparent Density |
g / m^3 |
0.8 +/- 0.05 |
| Moisture Content |
% |
8 Max |
| Moisture content |
% |
5 - 9 |
Water Absorption MD
CD |
Mm |
10 Min. |
| Air Permeability |
m/Pa.Sec |
0.5 to 1.0 |
Tensile Index MD
CD |
Nm/g |
78 Min
28 Min |
Elongation MD
CD |
% |
2.0 Min
4.0 Min |
Tear Index MD
CD |
mN m^2/g |
5 Min
6 Min |
| Electric Strength in Air |
KV/mm |
7.0 Min |
| Ash Content |
% |
1.0 Max |
| Conductivity of 5% Aqueous Extract |
Ms/m |
10 Max |
| Ph of 5% Aqueous Extract |
|
6 - 8 |
| Heat Stability (150degC,24hrs) |
% |
20 Max |
| Tomoegawa Insulating Kraft Paper |
Applications
Insulators, dielectric , High tensile strength tapes
- Low ion contaminants through the use of de-ionized water
- Superior resin and oil impregnation characteristics
- High tensile strength in the vertical direction
- Capable of being produced in thin sheets (23g/m2 - 35 microns)
- Paper combinations - 3 layer construction possible
- Low density, high air permeability
- Little difference between front and back
- Heat resistant insulating paper
- Coloured insulating paper
- Colored with dyes that have no electrical influences
- Semi-synthetic insulating paper & others
- Also used for instrumentation and condenser applications
- Basis Weight 23 - 330g/m2
| Property Table for TI Paper |
| Properties |
Units |
40
micron |
50
micron |
63.5
micron |
80
micron |
130
micron |
180
micron |
| Thickness |
micron |
41 |
49 |
64 |
79 |
124 |
178 |
| Substance |
g/m^2 |
31.6 |
39.2 |
49.9 |
63.2 |
101.7 |
144.2 |
| Apparent Density |
g/m^3 |
0.77 |
0.80 |
0.78 |
0.80 |
0.82 |
0.81 |
Tensile Index MD
CD |
Nm/g |
173.0
19.0 |
184.0
20.0 |
180.0
20.0 |
190.0
22.0 |
163.0
26.0 |
168.0
26.0 |
Elongation MD
CD |
% |
1.8
3.3 |
1.9
4.7 |
1.9
5.1 |
1.9
8.7 |
2.0
7.8 |
2.1
8.8 |
Tear Index MD
CD |
mNm^2/g |
4.3
- |
4.5
- |
6.4
- |
6.5
- |
8.6
18.7 |
10.3
22.7 |
| Moisture Content |
% |
4.8 |
5.6 |
5.4 |
4.9 |
4.9 |
4.5 |
| Ash content |
% |
0.30 |
0.30 |
0.24 |
0.30 |
0.30 |
0.30 |
| Conductivity of aqueous extract |
mS/m |
6.5 |
6.5 |
6.5 |
6.5 |
6.5 |
6.5 |
| Ph of aqueous extract |
- |
6.9 |
6.9 |
6.9 |
6.9 |
6.9 |
6.9 |
| Air Permeability |
Micron/Pa.s |
1.11 |
0.53 |
0.50 |
0.90 |
0.71 |
1.09 |
Water Absorption
MD
CD |
mm |
6
3 |
8
5 |
10
7 |
12
7 |
16
9 |
22
14 |
| Electric strength in air
(Minimum) |
kV/mm |
11.4 |
10.6 |
10.2 |
9.5 |
8.8 |
7.6 |
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