Insulation Pressboard

Insulation Pressboard Specification

Layer
Single Layer

Installation Guideline
Install in a dry and clean environment, avoid bending sharply

Coating Type
Uncoated

Size
Customized sizes available

Surface Treatment
Smooth/Cleaned

Feature
High mechanical strength, High electrical insulation, Excellent purity

Product Type
Transformer Insulation Pressboard

Rated Voltage
Up to 72.5 kV

Tensile Strength
at least 80 N/mm

Width
Up to 1000 mm

Thickness
0.5 mm to 3.0 mm

Breakdown Voltage
> 60 kV/mm (dry)

Heat Conductivity
~0.24 W/mK

Color
Light Brown

Max Withstanding Temperature
105C continuous

About Insulation Pressboard

Insulation Press Board

We are considered to be one of the most profound & prominent manufacturers, exporters and suppliers of Insulation Press Board in leading market. To meet client's expectations is our main aim and therefore we offer qualitative range of industrial products to our valued clients. Owing to its high strength, accurate measurements and standard quality; these press boards are widely used as insulating material in transformers. This Insulation Press Board is available with us in varied specifications.

Outstanding Electrical and Mechanical Performance

This insulation pressboard delivers unparalleled electrical insulation with a breakdown voltage exceeding 60 kV/mm (dry) and a dielectric loss factor of less than 0.005 at 50Hz. Its high mechanical strengths, including compressive strength above 200 N/mm and tensile strength beyond 80 N/mm, make it reliable for rigorous transformer environments and other high-voltage applications.

Superior Purity and Oil Compatibility

Crafted from carefully selected cellulose fibers, the pressboard boasts excellent purity, having ash content below 0.6% and moisture content under 6%. Its compatibility with transformer oil ensures durability and operational safety, crucial for maintaining optimal performance in transformers across prolonged periods.

Customizable and Easy to Install

Tailored to various project specifications, the pressboard comes in widths up to 1000 mm and thicknesses ranging from 0.5 mm to 3.0 mm, with optional custom sizes. Its smooth, clean surface and single-layer structure make installation straightforward, provided guidelines are followed for a dry, clean environment and avoidance of sharp bends.

FAQs of Insulation Pressboard:

Q: How is the insulation pressboard installed in transformers?

A: For installation, ensure that the environment is dry and clean to maintain insulation quality. The pressboard should be handled gently, without sharp bending, and installed according to project specifications for optimal fit and performance.

Q: What applications is this insulation pressboard suitable for?

A: The pressboard is designed for use in power transformers, distribution transformers, and high-voltage electrical equipment where superior electrical and mechanical insulation is essential.

Q: When should I consider using custom-sized pressboard?

A: Custom sizes are recommended when standard dimensions do not meet your specific equipment or design requirements. This flexibility allows precise fitting, reducing waste and ensuring maximum safety and efficiency.

Q: Where is the insulation pressboard manufactured and exported from?

A: Our insulation pressboard is manufactured in India by a leading exporter, supplier, manufacturer, and service provider, with global distribution capabilities.

Q: What is the process used to ensure high purity and low ash content?

A: The pressboard is produced from high-quality cellulose fibers through a controlled manufacturing process, resulting in ash content below 0.6% and excellent purity to guarantee effective insulation properties.

Q: How does the pressboard handle exposure to heat and voltage?

A: It is engineered to operate continuously at temperatures up to 105C and withstands rated voltages up to 72.5 kV, with a high breakdown strength exceeding 60 kV/mm in dry conditions.

Q: What are the benefits of using this pressboard in transformer applications?

A: Key benefits include high mechanical strength, outstanding electrical insulation, excellent oil compatibility, and customizable sizes, ensuring long-term safety and reliable performance in demanding electrical environments.

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