Electric motors and transformers are at the heart of modern industry—powering everything from household appliances to large-scale machinery. Over time, these machines face stress from heat, vibration, dust, and moisture. Without proper insulation, motor windings and transformer coils weaken, leading to overheating, short circuits, or costly failures.
This is where motor varnish and transformer varnish play a vital role. They act as a protective insulation layer, strengthening windings, sealing gaps, and ensuring long-term durability. Whether in AC motors, DC motors, power tool motors, or transformers used in voltage stabilizers, varnish is essential for performance and reliability.
High Electrical Insulation
Prevents current leakage in windings and transformer coils.
Thermal Resistance
Protects against overheating in high-load AC/DC motors and stabilizers.
Mechanical Strength
Bonds copper wires and laminations (stamping) to withstand vibrations.
Moisture & Dust Protection
Selecting the best varnish for motor winding and transformers is crucial for industries aiming for efficiency, reliability, and reduced downtime.
How Varnish Benefits Across Different Machines
Electric Motors
AC Motors: Require high dielectric varnish for stability under heavy industrial loads.
DC Motors: Need varnish for spark suppression and strong insulation.
Power Tool Motors (drills, grinders, cutters): Varnish protects from high-speed vibration and dust exposure.
Transformers
Ensures insulation between coils.
Used in voltage stabilizers by companies like Microtek, Su-Kam, and Crompton.
Protects coils from moisture and improves energy efficiency.
Types of Motor & Transformer Varnish
Air-Drying Varnish
Easy to apply, cost-effective, ideal for small motors and stabilizers.
Baking Varnish
Requires curing; ensures strong bonding for industrial AC/DC motors.
Silicone Varnish
Provides excellent thermal stability, high dielectric strength, and flexibility for transformers and heavy-duty motors.
Polyester Varnish
Superior mechanical strength for power tool motors.
Polyurethane Varnish
Strong adhesion, solvent resistance, and thermal stability.
Target Industries & Applications of Motor & Transformer Varnish
Our varnishes are widely used across industries in both electric motors and transformers. For example
Home Appliance Motors
Used in ceiling fans, mixer grinders, and washing machines. (Example: Brands like Crompton, Philips, and Bosch design such appliances where varnish ensures insulation and durability.)
Power Tool Motors
Found in drills, cutters, and grinders. (Example: Many global and Indian manufacturers of power tools apply varnish for dust and vibration protection.)
Voltage Stabilizers & Transformers
Essential for insulation in household and industrial stabilizers. (Example: Companies such as Microtek, Su-Kam, and Ram Ratna are well-known for producing stabilizers and transformers where varnish helps improve efficiency.)
Industrial Equipment & OEMs
Industrial Equipment & OEMs – Large-scale AC and DC motors in industries need baking or silicone varnish. (Example: Heavy machinery manufacturers often rely on transformer varnish and motor varnish for long-term reliability.)
HARMAN 555 (25 LITRE)
₹ 7,500/-
25LTR
Air drying insulating varnish
HARMAN 555 (16 LITRE)
₹ 12,000/-
16 LITRE - 1 BOX (80 bottles) - 200ml/bottle
Air drying insulating varnish
HARMAN 555 (20 LITRE)
₹ 8,000/-
20 LITRE - 1 BOX/ 20 litre/ 40 bottle
Air drying insulating varnish
HARMAN 555 (15LTR)
₹ 4,500/-
15 LITRE
Air drying insulating varnish
HARMAN 555 (200ML)
₹ 150/-
200 ML
Air drying insulating varnish
HARMAN 555 (500ML)
₹ 200/-
500ML
Air drying insulating varnish
HARMAN 555 (1LTR)
₹ 300/-
1 Ltr
Air drying insulating varnish
Long-Lasting Protection with Varnish
Whether it’s an AC/DC motor, power tool motor, or transformer inside a voltage stabilizer, varnish is the backbone of insulation and durability. It prevents failures, enhances efficiency, and ensures electric motor and transformer protection for years.
At Bawa Polymers, we deliver high-quality motor varnish and transformer varnish solutions trusted by industries and leading brands. Explore our range today to keep your motors and transformers protected, reliable, and long-lasting.