NSE UMANGBOARD ₹42.50 +1.20 (2.91%)
BSE 539294 ₹42.55 +1.15 (2.78%)
NSE UMANGBOARD ₹42.50 +1.20 (2.91%)
BSE 539294 ₹42.55 +1.15 (2.78%)
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Company

We deliver excellence and create value for the global power sector. With 25+ years of manufacturing expertise, we help transformer OEMs build reliable infrastructure worldwide.

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Learn about our journey, mission, and the values that drive Umang Boards Limited as a global leader in transformer insulation materials.

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Umang Boards Manufacturing
Since 1999 · Jaipur
25+ Years of Manufacturing Excellence
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Meet our Board of Directors and senior management team steering Umang Boards towards global excellence in transformer insulation.

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Leadership Team
Board & Management
Experienced Leadership, Proven Results
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Trace our evolution from a single-product startup in 1999 to India's leading vertically integrated transformer insulation manufacturer.

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Company History
Est. 1999
From Jaipur to 15+ Countries Worldwide
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Discover how the Dhanuka Foundation is making a meaningful impact through education, healthcare, and community development initiatives.

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Dhanuka Foundation
CSR Initiative
Giving Back to Society
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Explore our state-of-the-art manufacturing facilities in Jaipur, equipped with modern machinery and NABL-accredited testing laboratories.

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Manufacturing Units
Jaipur, Rajasthan
World-Class Manufacturing Infrastructure
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Umang Boards Team
400+ Employees
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Our Products

Vertically integrated insulation solutions powering global electrical infrastructure — cellulose pressboards, precision winding wires, and specialty chemicals.

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Solutions

End-to-end insulation solutions tailored for every transformer class and industrial application. From 400 kV power transformers to EV motors.

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Data Center Solutions
Mission Critical
Reliable Insulation for Data Infrastructure
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Renewables Solutions
Solar · Wind
Insulation for Renewable Energy Systems
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Umang Boards Limited

NSE: UMANGBOARD
₹ 42.50
+1.20 (2.91%)
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Contact Us

Get in touch with our team for sales enquiries, technical support, factory visits, or general information. We're here to help.

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Reach out to us via our contact form, email, or phone. Our sales and support teams are ready to assist with your transformer insulation requirements.

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We Respond Within 24 Hours
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Our Locations
Jaipur, Rajasthan
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Monday – Friday: 9:00 AM – 6:00 PM IST
Saturday & Sunday: Closed

Response Times:
WhatsApp/Chat: Within 2 hours
Email: Within 24 hours
Phone: Live during office hours

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Office Hours
Mon – Fri · 9 AM – 6 PM
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Find quick answers to the most common questions about our products, ordering process, shipping, and technical specifications.

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PRODUCT CATALOG

Polyester Wire Enamels

Built on Trust.
Certified for Excellence.
ISO 9001:2015
ISO 9001:2015
Quality Management
ISO 14001:2015
ISO 14001:2015
Environmental Management
ISO 45001:2018
ISO 45001:2018
Health & Safety
NABL Accredited
NABL Accredited
In-house Testing Lab
Approved by PGCIL
Approved by PGCIL
400 kV Class
Applications
Enamelled Wire Manufacturing
Vertical & horizontal machines
Electric Motor Rewinding
Class 130 & 155 windings
Transformer Windings
Distribution & power
Electronic Coil Production
Fans, relays, instruments
Overview

Polyester Wire Enamels

UBL Polyester wire enamels are high-performance coating solutions for enamelling copper and aluminium conductors. Formulated for Class 130 and Class 155 thermal performance, they deliver chemical, mechanical, and electrical resistance across a wide processing range. All grades conform to RoHS Directive (2002/95/EC).

Thermal Class 130 / 155 Medium viscosity — felt & die wiping
Product Range

Available Grades

Product Code Thermal Class Wire Range Description
UB F 35 A Class 130 (E) 0.05–1.0 mm Medium viscosity polyester enamel for fine wire; wide curing range; suitable for felt and die wiping on vertical/horizontal machines.
UB F 35 AL Class 130 (E) 0.05–1.0 mm Aluminium-compatible variant of UB F 35 A; same processing characteristics; wide curing range.
UB F 215-35 Class 130 (E) 0.05–1.0 mm Fine wire grade with excellent cut-through resistance; high processing speed; suitable for fan wire grades.
UB 216-35 Class 130 (E) 0.05–1.0 mm High-speed polyester enamel with light yellowish colour; ideal for fine wire fans and small appliance windings.
UB 216-35 D Class 130 (E) 0.05–1.0 mm Modified high-speed variant of UB 216-35; enhanced processing characteristics for fine wire applications.
UB 230-35 G Class 155 (F) 0.05–1.6 mm General purpose polyester enamel for motors, fans, transformers and relay coils; high speed processing.
UB 231-35 P Class 155 (F) 0.05–1.6 mm Balanced performance polyester enamel; high-speed running; suitable for motors, fans and transformers.
UB 232-35 YG Class 155 (F) 0.05–1.6 mm Yellow-green coloured polyester enamel; high-speed processing; motors, fans, transformers, relay coils.
UB 232-35 YGH Class 155 (F) 0.05–1.6 mm High-performance variant of UB 232-35 YG with enhanced thermal properties for demanding motor windings.
UB G 250-35 Class 155 (F) 0.05–1.6 mm High-speed general-purpose polyester enamel; suitable for motors, fans, transformers and relay coils.
Wire Range
0.05 mm to 1.6 mm diameter (copper & aluminium)
Thermal Class
Class 130 (E) and Class 155 (F)
Processing
Vertical and horizontal machines; felt and die wiping methods
RoHS Compliance
All grades comply with RoHS Directive 2002/95/EC
Get Technical Data

Request a Technical Sheet

Share your application requirements and our engineering team will provide the relevant grade datasheet, tolerances, and pricing guidance.