|
Properties
|
values
|
|
Nominal thickness(mm)
|
0.10
|
0.12
|
0.15
|
0.18
|
0.20
|
0.25
|
|
Thickness tolerance(mm)
|
±0.010
|
±0.012
|
±0.015
|
±0.018
|
±0.020
|
±0.025
|
|
Anti- hydrolyze
|
The surface of the varnish will not be destroyed at the temperature of 105
±2°C for 24h
|
|
Effect on oil
|
The acidity of the oil is not large than 0.5 in the NO 45 transformer oil at the temperature
of 105 ±2°C for 72h
|
|
Effect by oil
|
The surface of the varnish will not be destroyed in the NO 45 transformer
oil at the temperature of 105 ±2°C for 48h
|
|
Elongation
Kgf (N)/10mm
|
Vertical minimum
|
7.1 (70)
|
9.2 (90)
|
10.2(100)
|
10.7(105)
|
11.2(110)
|
12.2(120)
|
|
Parallel minimum
|
4.1 (40)
|
5.1 (50)
|
6.1 (60)
|
6.6 (65)
|
7.1 (70)
|
8.2 (80)
|
|
45o
minimum
|
4.1 (40)
|
6.1 (60)
|
6.6 (65)
|
6.6 (65)
|
7.1 (70)
|
8.2 (80)
|
|
The joint of slanting cut minimum
|
joint of the glass cloth before impregnating varnish
|
2.0 (20)
|
2.6 (25)
|
3.1 (30)
|
3.1 (30)
|
3.6 (35)
|
3.6 (35)
|
|
joint of the glass cloth after impregnating varnish
|
2.0 (20)
|
2.0 (20)
|
2.0 (20)
|
3.1 (30)
|
3.1 (30)
|
3.1 (30)
|
|
Elongate to 10% (45O)
|
0.2~1.2 (2~12)
|
0.2~1.2 (2~12)
|
0.3~1.5 (3~15)
|
0.3~1.5 (3~15)
|
0.4~1.6 (4~16)
|
0.5~2.0 (5~20)
|
|
Extending rate when breaking down .% minimum
|
Vertical
|
1.5
|
1.5
|
2.0
|
2.0
|
2.5
|
3.0
|
|
45o
|
15
|
15
|
15
|
20
|
20
|
20
|
|
Edge Laminating strength ,kgf(N),minimum
|
Vertical
|
0.5 (5)
|
0.6 (6)
|
0.8 (7.5)
|
1.0 (10)
|
2.0 (20)
|
2.6 (25)
|
|
45o
|
5.1 (50)
|
6.1 (60)
|
7.7 (75)
|
8.2 (80)
|
9.2 (90)
|
12.2 (120)
|
|
Breakdown voltage kv ,minimum
|
Room temperature
|
5.0
|
6.0
|
7.0
|
7.5
|
8.0
|
9.0
|
|
High temperature (180 ± 2°C)
|
2.0
|
2.5
|
3.0
|
3.0
|
3.0
|
3.5
|
|
Elongate to 3% (45o)
|
2.5
|
2.5
|
3.5
|
3.5
|
3.5
|
3.5
|
|
Effect by damp (23 ±2°C)
|
2.0
|
2.2
|
2.8
|
2.8
|
2.8
|
2.8
|