Hyderabad, India · Est. 2012

Electrical grade insulation kraft paper for the transformer industry

The largest manufacturer of insulation kraft paper in India, and the only one producing dual-ply paper with 100% de-mineralised process water. A joint venture with Tomoegawa Co., Ltd., Japan, which has made insulation paper since 1914.

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  • ISO 9001:2015
  • IS 8570 / IEC 60554
  • ERDA Approved
  • JVVNL Approved
  • BHEL Approved
  • Dual-Ply as Standard
Production Specification
Capacity
6,000 TPA
Thickness range
1.5 to 10 mil
Max width
2500 mm
Fibre
100% virgin
Process water
De-min 100%
Construction
Dual-ply standard
Standards
IS 8570 / IEC 60554
Quality system
ISO 9001:2015
Thickness Range 1.5 mil to 10 mil
  • Electrical Grade1.5 mil to 10 mil
  • High Density3 mil to 10 mil
  • Diamond Dotted3 mil to 10 mil
  • Diamond Dotted HD3 mil to 10 mil
Thickness tailor-made to specification Widths up to 2500 mm

Applications

Insulation for every part of the transformer

  1. Transformer interleaving

    Products: Electrical GradeHigh Density

  2. Conductor covering

    Products: Electrical Grade

  3. Conductor winding and covering

    Products: Electrical Grade

  4. Bushings

    Products: Electrical GradeHigh Density

  5. Distribution transformers

    Products: Electrical GradeHigh Density

  6. Power transformers

    Products: Electrical GradeHigh Density

  7. Insulation between coils in oil-immersed transformers

    Products: Diamond DottedDiamond Dotted HD

  8. Cable insulation

    Products: Diamond Dotted

Find the right paper

Products

What we manufacture

Made to the thickness your design calls for, specified against transformer-industry requirements and supplied with batch test certificates on request.

P-01

Electrical Grade Insulation Kraft Paper

Insulation kraft paper in a thickness range of 1.5 mil to 10 mil, made to your specified thickness from 100% imported virgin fibre under de-mineralised process conditions.

Tailor-made thickness Range: 1.5 mil to 10 mil

Specifications: Electrical Grade Insulation Kraft Paper

P-02

High Density Kraft Paper

High density electrical grade insulation kraft paper in a thickness range of 3 mil to 10 mil, made to your specified thickness for applications that call for higher density.

Tailor-made thickness Range: 3 mil to 10 mil

Specifications: High Density Kraft Paper

P-03

Diamond Dotted Paper (DDP)

Electrical insulating paper from 3 mil to 10 mil, coated with heat-curable epoxy resin, for oil-immersed transformer coil insulation.

Tailor-made thickness Range: 3 mil to 10 mil

Specifications: Diamond Dotted Paper (DDP)

P-04

Diamond Dotted Paper HD (DDP-HD)

Diamond Dotted Paper on a high density base, 3 mil to 10 mil, coated with heat-curable epoxy resin for oil-immersed transformer coil insulation.

Tailor-made thickness Range: 3 mil to 10 mil

Specifications: Diamond Dotted Paper HD (DDP-HD)

Why TAI

Firsts that matter in transformer insulation

The efficiency of insulation paper is measured by its minimal conductivity, which determines the longevity of the transformer. Our process is built around that.

6,000
Tonnes / annum
110+
Years group exp.
  • First and only in India to use de-mineralised water throughout the process
  • First and only in India to produce dual-ply (twin layer) insulation paper. Every reel we make is dual-ply.
  • ISO 9001:2015 certified company. Paper to IS 8570 / IEC 60554, ERDA approved
  • 100% imported virgin fibre from Europe and North America
  • Guaranteed not to tear during edgefolding in transformer manufacture
  • Offline calendering and supercalendering for uniform thickness and density
  • JVVNL, BHEL, Toshiba, Alstom approved

Get started

Insulation paper to IS 8570 / IEC 60554, made in India

Tell us the grade, thickness, width and volume you need, and we will send a quotation against that specification.

Request a Quote
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