product description
Description of Phenolic Paperboard/Bakelite board
Phenolic paperboard/Bakelite board is made of insulating impregnated paper soaked in phenolic resin by baking and hot pressing. It possesses high mechanical and dielectric property, excellent moisture, heat and acid resistance. The insulation class is E class and the main color is red and coffee.
Application of Phenolic Paperboard/Bakelite board
Suitable for insulating structural spares in motors and electrical equipments with high mechanical performance requirements and can be used in transformer oil.
Advantage of Phenolic Paperboard/Bakelite board
Phenolic paperboard/Bakelite board produced, by ZTelec Group using high-quality insulating impregnated paper and phenolic resin as raw materials, can always maintain its structural integrity and dimensional stability even at extreme high temperature. Ztelec Group adopts advanced mechanical processing technology and this product has the advantages of smooth surface, neat cutting edge, uniform appearance and color and reliable quality. The mechanical and electrical properties of products are superior to the similar one of other companies. Its quality is recognized by domestic and foreign large enterprises such as Lens Technology in China and Schneider Electric and sold overseas such as European and American areas.
Property Parameter of Phenolic Paperboard/Bakelite board (Refer to 3021 PFCP202)
Executive Standard: GB-T 1303-2009 - IEC60893-2004
| Number | Item | Unit | Value |
| 1 | Density | g/cm3 | 1.25-1.4 |
| 2 | Water Absorption（Thickness:1-20mm） | mg | 180-970 |
| 3 | Flexural Strength at Perpendicular Lamination | MPa | ≥120 |
| （Under Normal） | |||
| 4 | Dielectric Strength at Perpendicular Lamination（Transformer Oil at 90℃）（Thickness:1mm） | KV/mm | ≥15.8 |
| 5 | Breakdown Voltage at Parallel Lamination | KV | ≥35 |
| （Transformer Oil at 90℃） | |||
| 6 | Dielectric Constant（50Hz） | - | ≤5.5 |
| 7 | Proof Tracking Index (PTI) | - | ≥100 |
| 8 | Thermal Index | - | 120 |
- ELECTRICAL INSULATION BOARD MATERIALS
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