varnished glass fabric 1). breakdown voltage>5.0-9.0KV/mm 2).Width: 10-1200mm
varnished glass fabric
Description:
1). varnished glass fabric prepared by impregnating the electrical glass cloth with alkyd resin by baking treatment
2): With high mechanical strength and electrical properties, used for the insulating binding and liner of the electrical appliances.
3):Alkyd varnished glass cloth is Class B insulation cloth
4): Alkyd varnished glass cloth has good dielectric properties at normal condition ,breakdown voltage 5.0-9.0KV/mm,High mechanical strengthand suitable elongation
2.Specifications:
1).Thickness:0.10 mm;0.12 mm;0.15 mm;0.18 mm;0.20 mm;0.25 mm;0.30mm
2). breakdown voltage>5.0-9.0KV/mm
3).Width: 10-1200mm
3.color:yellow
4.application:
2432 Alkyd varnished glass cloth can be used for coil insulation and slot liner of electrical machines and appliances with class B insulation system.
| Properties | Units | values | |||||||
| Nominal thickness | mm | 0.1 | 0.12 | 0.15 | 0.18 | 0.2 | 0.25 | ||
| Tolerance | mm | ±0.01 | ±0.012 | ±0.015 | ±0.018 | ±0.02 | ±0.025 | ||
| Oil resistance | / | Not lower than breakdown voltage at 23±2OC | |||||||
| Humidity-heat resistance | / | Varnished film shall not be peeled off | |||||||
| Flexibility | / | Not break the medium value of breakdown voltage at bended place shall not be less 50% than that at unbended | |||||||
| Tensile strength | Length | N/10mm | ≥65 | ≥85 | ≥105 | ≥111 | ≥118 | ≥131 | |
| Cross | ≥45 | ≥52 | ≥65 | ≥78 | ≥85 | ≥98 | |||
| 45° | ≥40 | ≥60 | ≥65 | ≥78 | ≥70 | ≥80 | |||
| On lapping place cut on bias | Before impregnation | ≥20 | ≥25 | ≥30 | ≥30 | ≥30 | ≥30 | ||
| After impregnation | ≥20 | ≥20 | ≥20 | ≥30 | ≥30 | ≥30 | |||
| Breakdown voltage | Under23±2OC | Medium | KV | ≥5 | ≥6 | ≥7 | ≥8 | ≥9 | ≥10 |
| Min | ≥4 | ≥4.5 | ≥6 | ≥6.5 | ≥7.0 | ≥8.0 | |||
| Under130±2OC | Medium | ≥2.5 | ≥3.0 | ≥3.5 | ≥4.0 | ≥4.5 | ≥5.0 | ||
Varnished glass fabric
