Rough Surface Phenolic Paper Tube
Basic Info
Model No.: f003
Product Description
Model NO.: f003
Specification: IEC Standard
HS Code: 85
Trademark: VILLE INDUSTRY
Origin: Ningbo China
Product details
Main Performance Index
| Serial Number | Project Name | Unit | Test Method | Index | |
| Internal Diameter 5mm ~25mm | External Diameter ≥25mm | ||||
| 1 | Density | g/cm 3 | GB/T5132 | ≥1.03 | ≥1.10 |
| 2 | Water Absorption | % | GB/T5132 | - | |
| 3 | Thermal stability(24h ) | ºC | JB/T3172 | 120 | 120 |
| 4 | Bending Strength | N/mm 2 | JB/T3172 | ≥50.0 | ≥60.0 |
| 5 | Compressive Strength | N/mm 2 | GB/T5132 | ≥50.0 | ≥60.0 |
| 6 | Dielectric Loss Angle Tangent in 50Hz | - | GB/T3172 | ≤0.03 | ≤0.03 |
| 7 | Edgewise Withstand Voltage Resist Voltage for 5 Minutes in (90 + 2) ºC Transformer Oil Wall Thickness:1.5mm ~2.5mm 2.5mm ~3.5mm 3.5mm ~4.5mm 4.5mm ~6.0mm 6.0mm ~9.0mm | kV/mm | GB/T1408.1 (JB/T31725.11 ) | ≥8.5 ≥8.0 ≥7.0 ≥6.5 ≥6.0 | ≥8.5 ≥8.0 ≥7.0 ≥6.5 ≥6.0 |
| 8 | Flatwise Withstand Voltage Resist Voltage for 5 Minutes in (90 + 2) ºC Transformer Oil | kV | GB/T5132 (JB/T31725.12 ) | 20 | 25 |
| 9 | Surface Voltage Resistance Resist Voltage for 5min in Normal Air after Being Affected With Damp for1min | kV | GB/T5132 (JB/T31725.13 ) | 12 | 12 |
2 :Water Absorption Index
| Wall Thickness(mm ) | 1.5 | 3 | 5 | 7 | 10 | 13 |
| Water Absorption(% ) | 10 | 8 | 6 | 5 | 4 | 3 |
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Product Categories : Transformer Spare Parts > Transformer Insulation Material
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