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The process is impregnating electrical immersion by a high degree polymerization oil vanish, after drying, it is the final product. On diagonal direction, it has a high elongation; meanwhile, it has good flexibility, high dielectric properties.

It is used for thin layer of insulation of motors, transformers and other electrical equipment as conductive properties request with oil resistance also can be used for liner insulation or wrapping insulation, of oil-filled transformers and electrical coil, heat-resistant grade 105, belongs to A-class insulation material.

Thickness: 0.08, 0.10, 0.12, 0.15, 0.17mm;

Width:15, 20, 25mm.

Oil synthetic varnished fabric technical characteristics

Model Nominal thickness
and tolerance
Minimum Tensile Strength (N / 10mm) Width Elasticity Breakdown voltage (KV) min

Lengthwise

Crosswise 45°
direction
Tension elongation 6%(N) 23±2℃ 23±2℃
After bending
105±2℃ After heating &bending 24hHumidity after 24h 6%Elongate 6% on 45° degree
mid min mid min mid min mid  Max Mid Min Mid Min Mid Min Mid Min Mid Min Mid Min
2210/
2310
0.04±0.010 10 7 7 5 7 5
0.05±0.010 14 9 9 7 9 7 /1-9 /11
0.06±0.010 18 11 11 9 11 9 /2-10 /12
0.08±0.010 22 16 15 10 15 10 2-10
1-8
11/
10
4.8 2.4 3.0 1.8 3.0 1.8 2.5 1.4 2.3 1.4 2.7
0.10±0.010 24 18 17 12 17 12 2-12
1-9
1-9
14/
11
5.8 3.8 4.4 2.2 4.3 2.2 3.7 1.7 3.5 2.0 4.1 2.1
0.12±0.010 25 20 18 14 18 14 3-12
1-10
14/
12
7.2 4.8 6.3 3.2 5.2 2.5 4.0 2.1 4.1 2.5 5.0 2.5
0.15
±0.010
30 24 22 18 22 18 3-14
1-14
17/
17
8.7 5.2 6.9 3.8 5.8 3.1 4.2 2.7 4.7 2.8 6.1 3.1

Thermoplasticity

After 24h on 70±2℃, varnished silk must not bond interlayer or come off from the bottom

Influence of oil on Varnished silk

2212 required: After 18h in 45 transformer oil on 105±2℃ , varnished silk can’t bond interlayer, the film can not fall off

Shrinkage

Thermal Shrinkage of 2210≤1%, Thermal Shrinkage of 2310≤ 4%

Volume resistivity

23±2℃ ≥1.0×1011 105±2℃下 ≥1.0×108 Humidity after 24h ≥1.0×108
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