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Oil Varnished Silk 2210 Class A
Oil Synthetic Fiber Varnished Silk 2310 Class A
Alcohol Acid Glass Varnished Cloth 2432 Class B
Polyester Glass Varnished Cloth 2440 Class F
Silicone Glass Varnished Cloth 2450 Class H
Description
Technical Data
Note: The data in the above table only represents typical or average data, just for reference in practical application. It does not bear any responsibility for the use of the product or related legal liability.
Oil Synthetic Fiber Varnished Silk 2310 Class A
Alcohol Acid Glass Varnished Cloth 2432 Class B
Polyester Glass Varnished Cloth 2440 Class F
Silicone Glass Varnished Cloth 2450 Class H
Description
| Item | Mode | Main Components | Characteristics | Heat-resistance Class | |
| Oil Varnished Silk | 2210 | Silkworm Silk | Oil Insulating Varnish | Used as the binding and liner insulation in motor and mutual inductor. | A |
| Oil Synthetic Fiber Varnished Silk | 2310 | Synthetic Fiber Silk | |||
| Alcohol Acid Glass Varnished Cloth | 2432 | Alkali-free Glass Cloth | Alkyd Insulating Varnish | Has good dielectric property, mechanical property, heat resistance, oil resistance, and certainhumidity resistance. Can be used as coil insulation, motor banding and liner insulation in oil-immersed transformers, oil circuit breakers and other electrical equipment. |
B |
| Modified Polyester Glass Varnished Cloth | 2440 | Modified Polyester Insulating Varnish | F | ||
| Organosilicone Glass Varnished Cloth | 2450 | Organosilicone Insulating Varnish | H | ||
Technical Data
| 2210/2310 Standard：JB/T 8147-1999 2432/2440/2450 Standard：JB/T 8148.1-1999 | ||||||||||
| Thichness | Unit | 0.08 | 0.1 | 0.12 | 0.15 | 0.18 | 0.2 | 0.25 | ||
| Tensile Strength |
2210/2310 | Warp Direction (min value) | N/10mm | ≥16 | ≥18 | ≥20 | ≥24 | - | - | - |
| Weft Direction (min value) | ≥10 | ≥12 | ≥14 | ≥18 | - | - | - | |||
| 45° Angle (min value ) | ≥10 | ≥12 | ≥14 | ≥18 | - | - | - | |||
| 2432 | Warp Direction (min value) | - | ≥65 | ≥85 | ≥105 | ≥111 | ≥118 | ≥131 | ||
| Weft Direction (min value) | - | ≥45 | ≥52 | ≥65 | ≥78 | ≥85 | ≥98 | |||
| 45° Angle (min value ) | - | ≥40 | ≥60 | ≥65 | ≥65 | ≥70 | ≥80 | |||
| Breakdown Voltage |
2210/2310 | 23±2℃ (median) | kv | ≥4.8 | ≥5.8 | ≥7.2 | ≥8.7 | - | - | - |
| 2432 | 23±2℃ (median) | - | ≥5.0 | ≥6.0 | ≥7.0 | ≥8.0 | ≥9.0 | ≥10.0 | ||
| 2210/2310 | In wetting state at 23±2℃ | ≥2.3 | ≥3.5 | ≥4.1 | ≥4.7 | - | - | - | ||
| 2440 | In wetting state at 23±2℃ | - | ≥2.5 | ≥3.0 | ≥3.5 | ≥4.0 | ≥4.0 | ≥4.5 | ||
| 2450 | In wetting state at 23±2℃ | - | ≥2.00 | ≥2.2 | ≥2.8 | ≥2.0 | ≥2.8 | ≥3.0 | ||
| 2210/2310 | 105±2℃(median) | ≥3.0 | ≥4.3 | ≥5.2 | ≥5.8 | - | - | - | ||
| 2440 | 155±2℃ | - | ≥2.5 | ≥3.0 | ≥3.5 | ≥3.8 | ≥4.0 | ≥4.5 | ||
| 2450 | 180±2℃ | - | ≥2.0 | ≥2.5 | ≥3.0 | ≥3.0 | ≥3.0 | ≥3.5 | ||
| 2210/2310 | 6% extension at 45ºangle | ≥2.7 | ≥4.1 | ≥5.0 | ≥6.1 | - | - | - | ||
| 2440 | 6% extension at 45ºangle | - | ≥3.0 | ≥3.0 | ≥3.5 | ≥4.0 | ≥4.0 | ≥4.5 | ||
| 2450 | 6% extension at 45ºangle | - | ≥2.5 | ≥3.5 | ≥3.5 | ≥3.5 | ≥3.5 | ≥3..5 | ||
| 2210/2310 | Thermoplasticity | 70 士2°C thermalt reatment for 24h, no bonding between the varnish silk layers, and no fall-off of the film |
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| 2210/2310 | influence of oil on glass varnish cloth | - | (105 士2'C,in 45# transformer oil, 18h) No bonding between the varnish silk layers, and no fall-off of the film |
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