There are three ISO certificates for quality certification. The certificates will be shown later. ISO
After receiving the advance payment, the production cycle is 15-25 days. And the transportation cycle should be calcul……
We supply with installation guide and user manual for each transformer. If you do not understand them. We will offer v……
Heat resistance rating: Class H
Wall thickness: 1.5-2.0
Size: customized
Density: ≥1.4 g/cm3
Color: Brown
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The modified diphenyl ether glass cloth tube is made of electronic grade fiberglass cloth and diphenyl ether. It is formed after compression, drying and curing. The modified diphenyl ether glass cloth tube has high mechanical and dielectric properties. Isolating elements applicable to dry-type transformers or other electrical equipment requiring high temperature
The surface of tube should be smooth , no bubble, no crease or crack, no scratch or overheating marks.
Executive Standard：JB-T3172-1999(3520) GB-T5132-2009 IEC61212-2006
| Number | Item | Unit | Value |
| 1 | Density | G/Cm3 | 1.7-1.8 |
| 2 | Flexural Strength At Perpendicular Lamination （Under Normal） |
MPa | ≥80 |
| 3 | Axial Compressive Strength | MPa | ≥70 |
| 4 | Breakdown Voltage At Parallel Lamination （Transformer Oil At 90℃） |
Kv | ≥25 |
| 5 | Dielectric Strength At Perpendicular Lamination （Transformer Oil At 90℃） |
KV/Mm | ≥6-14 |
| 6 | Dielectric Loss Factor（50Hz） | – | ≤0.03 |
| 7 | Water Absorption (3mm) | % | ≤1 |
| 8 | Thermal Index | – | 180 |
Product Specification of Diphenyl Ether Tube
| Name | Unit | Value |
| Minimum Wall Thickness | Mm | 2 |
| Maximum Wall Thickness | Mm | 200 |
| Minimum Bore Size | Mm | 6 |
| Maximum Bore Size | Mm | 1200 |
| Length | Mm | 1000-1200 |
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