Densified Wood Sheets & Components
Densified Wood Sheets & Components
Laminated Densified Wood is a high density insulating material comprised of layers
of premium grade 100% beech wood vaneer in accordance with international
standards IEC/DIN. The total insulation thickness is obtained by bonding the
individual layers. This material is primarily used in cryogenic (very cold
temperature) applications ranging from ambient o conditions down to -300 F and
simultaneously possesses strong insulating properties which makes it suitable for
electrical applications in electrical transformers upto 765 kv Class. This has
excellent electrical property, good insulation and can withstand high mechanical
load varying in temperature.
SPECIFICATIONS
- Applicable Standard: IEC 61061 & DIN 7707
- Low Density: from 0.90-1.10 Kg/m3
- Medium Density: from 1.11-1.15 Kg/m3
- High Density: from 1.16-1.25 Kg/m3
- Thickness: 6 mm-100 mm
- Standard Sheet Size: 1220x2440 mm
FEATURES
- Easily Machinable suitable for moulds & patterns.
- Dimensional Stability
- High mechanical properties
- High oil absorption rate
- Heat resistance
- Easy for vacuum drying & oil immersion
INDUSTRY OF APPLICATION
- Switchgears
- Generators
- Transformers
- Metal Casting
- Aerospace
- Automobiles
- Interior Designing
PRODUCTS
- Coil Clamping Rings for transformers
- Core Block & Step Blocks
- Lead & Cleat Structures
- Coil Support
- Shield rings
- Casting Patterns
- Wooden Flooring
| S. No | Properties | Unit | Specified | IEC-61061-3-1 & IEC-61061-2 Values C3R | IEC-61061-3-1 & IEC-61061-2 Values C3R |
|---|---|---|---|---|---|
| 1 | Thickness | 20 mm | 8 mm | ||
| 2 | Apparent Density | g/cm3 | 1.1-1.2 | 1.16 | 1.15 |
| 3 | Moisture Content | % | 6 (max) | 4.12 | 4.3 |
| 4 | Oil Absorption | % | 8 (min) | 10.21 | 10.12 |
| 5 | Flexural Strength Direction A | MPa | 65 (min) | 89 | 101.4 |
| 5 | Flexural Strength Direction B | MPa | 65 (min) | 83 | 89.3 |
| 6 | Modulus of Elasticity Direction A | GPa | 8 (min) | 12.24 | 13.34 |
| 6 | Modulus of Elasticity Direction B | GPa | 8 (min) | 10.17 | 12.42 |
| 7 | Compressibility - C | MPa | 3 (max) | 1.1 | 1.39 |
| 7 | Compressibility - C Reverse | MPa | 70 (min) | 89 | 87.8 |
| 8 | Shearing Strength for glue line bond | MPa | 8 (min) | 15.4 | 14.79 |
| 9 | Impact Strength - A Dir (Type test) | Kg/m2 | 13 (min) | 17.43 | 15.72 |
| 9 | Impact Strength - B Dir (Type test) | Kg/m2 | 13 (min) | 16.61 | 14.68 |
| 10 | Electrical Strength Flatwise (gg) | KV/mm | 11 (min) | 11.6 | 11.5 |
| 10 | Electrical Strength Edgewise (hh) | KV/mm | 50 (min) | 62 | 56 |
| 11 | Shrinkage Direction A | % | 0.3 (Max.) | 0.22 | 0.18 |
| 11 | Shrinkage Direction B | % | 0.3 (Max.) | 0.23 | 0.21 |
| 11 | Shrinkage Thickness | % | 3 (Max.) | 2.1 | 1.43 |
| 12 | Contamination of liquid dielectric Type Test | 0.1 (Max) | 0.0001 | 0.0001 | |
| 13 | Metal Detector Test | PASS | PASSED | PASSED |