Henan YAAN Electrical Insulation Material Co., Ltd.
Tel: 86-374-3311628, 3329709 Fax: 86-374-3361728
Web: www.xcyaan.com E-mail: export@xcyaan.com
Add.: North of Laodong Road, Xuchang city, Henan Province, China

2450-Silicone varnished glass cloth

Properties

values

Nominal thicknessmm

0.10

0.12

0.15

0.18

0.20

0.25

Thickness  tolerancemm

±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