Press board
High-density, 100% unbleached sulfate wood-pulp Transformer Pressboard (প্রেসবোর্ড শীট) designed for oil-immersed electrical insulation. Features high breakdown voltage, excellent oil impregnability, and superior mechanical tensile strength under heavy electrical loads.
Verified Engineering Ratings & Parameters
Laboratory tested ratings compliant with IEC 60076 & factory acceptance benchmarks.
| Engineering Parameter | Specification Rating / Value |
|---|---|
| Material Composition | 100% High-Purity Cellulose Kraft Wood Pulp |
| Density Range | 1.10 – 1.30 g/cm³ (High Density / Pre-Compressed) |
| Thickness Options | 0.8mm, 1.0mm, 1.5mm, 2.0mm, 3.0mm |
| Dielectric Strength (in oil) | ≥ 45–60 kV/mm |
| Compliance Standard | International Standard |
| Oil Absorption Capacity | High Impregnability (Absorbs oil rapidly for maximized breakdown voltage) |
Engineering Scope & Design Overview
Manufactured with high-grade electrical steel, electrolytic copper, and industrial-duty enclosures.
Premium Electrical Transformer Pressboard Sheets in Bangladesh
At Trafo BD , we supply high-grade Transformer Pressboard Sheets (ট্রান্সফরমার প্রেসবোর্ড বোর্ড) manufactured from high-purity cellulose unbleached kraft wood pulp. Critical for oil-filled power and distribution transformers, our pressboard acts as a rigid dielectric barrier that insulates primary/secondary windings, cores, and structural frames against high electrical and mechanical stress.
Complying strictly with international standards, our pressboards feature high chemical purity (neutral pH) and zero metal particles, preventing premature transformer fluid degradation and internal short circuits.
Primary Applications in Local Transformer Manufacturing:
- Winding Layer Insulation: Provides dependable inter-layer insulation inside transformer coils.
- Phase Barriers & Cylinders: Serves as high-strength dielectric barriers between core phases and high-voltage transformer tanks.
- Spacers & Clack Bands: Formed into radial spacers and dovetail strips to create essential oil-cooling channels inside winding assemblies.
- Angle Rings & End Insulation: Machined or molded to secure insulation at coil end-caps.
Why Source Transformer Pressboard from Trafo BD?
- Rapid Oil Impregnability: Micro-porous cellulose construction allows rapid absorption of dielectric fluid, drastically elevating the overall breakdown strength (BDV).
- High Thermal & Mechanical Resilience: Maintains physical integrity under continuous thermal loads and severe short-circuit electromagnetic forces.
- Direct BD Wholesale Pricing: Competitive rates per kg/sheet for transformer OEM manufacturers, repair workshops, and utility maintenance teams in Dhaka, Chattogram, Bogura, and Gazipur.
Searching for exact transformer pressboard sheet prices (প্রেসবোর্ড পেপার দাম) or technical datasheets in Bangladesh? Contact our technical sales team today for stock availability, customized dimensions, and wholesale quotes.
Target Industrial Use Cases & Sectors
Designed to withstand rigorous commercial and industrial electrical environments across Bangladesh.
Heavy Steel & Induction Smelting
Built to endure violent load swings, harmonic distortions, and repetitive short-circuit stresses in arc furnaces and rolling mills.
Textile, Garments & Spinning Mills
Guarantees zero-dip power continuity, low operational temperature rise, and strict fire-safe dielectric protection.
Utility & Commercial Substations
Fully approved for 11kV/33kV distribution networks under DPDC, DESCO, BREB, WZPDCL, and high-rise commercial towers.
Quality Assurance & Factory Acceptance Testing (FAT)
Every unit is validated on high-precision test benches before customer dispatch.
Frequently Asked Engineering & Procurement Questions
Essential details regarding procurement, custom fabrication, and delivery in Bangladesh.
Related & Suggested Products
Complementary electrical equipment frequently engineered together for industrial substations and power distribution.
Perma wood
