Harnawa Insulations Private Limited

Our Polyester Fiberglass Filament Tape, classified under a robust Class H with a service temperature of 180 °C, exhibits exceptional resilience that extends its usability up to 200 °C. This resilience stems from its resistance to high temperatures and oxidation, making it a reliable choice for demanding applications. Beyond its impressive thermal properties, this fabric boasts flexibility with excellent trackability, ensuring ease of use. With high mechanical strength, it maintains its structural integrity even after prolonged exposure to elevated temperatures. Notably, the material retains its flexibility post-aging, a testament to its enduring quality. Furthermore, Silicone Varnished Fabric showcases remarkable moisture resistance and water repellency, enhancing its suitability for diverse and challenging environments.

Our Polyimide Tapes, expertly crafted from polyimide film and coated with F46 silicone adhesive on one or both surfaces before precision cutting post-drying. This versatile product excels as a Class 'H' insulation material for electrical wire winding, with a moulding temperature range of 350-380 °C for half a minute. These tapes are ideal for adhesion and Class H insulation in electronic switches, motors, transformers, relays, wires, coils, capacitors, and lithium batteries. Our Polyimide Tapes not only guarantee insulation excellence but also find versatile applications in surface assembly and various electronic components, ensuring reliable protection and insulation in diverse scenarios.

Aramid Paper Adhesive Tapes are high-performance polyamide insulation tapes known for their superior heat resistance, mechanical toughness, and flame retardancy. Designed for extreme environments, these tapes offer high dielectric strength and withstand temperatures ranging from 150°C to 220°C.

Polyester Electrical Tape is a high-performance insulation tape made from strong, durable polyester film. It is designed for electrical, thermal and mechanical applications where reliable dielectric strength and long-term insulation stability are required. Polyester Electrical Tape is widely used in motors, transformers, generators, EV motors, alternators, electronics and industrial wiring.

The polyester film base provides excellent resistance to tearing, stretching, abrasion and chemicals. It maintains dimensional stability even under heat, voltage stress and mechanical load. The tape is usually coated with a high-temperature acrylic adhesive or silicone adhesive, depending on the application requirements.

Polyester Electrical Tape withstands temperatures up to Class B (130°C) or Class F (155°C) and offers excellent dielectric strength, making it suitable for coil insulation, phase separation, layer insulation, cable wrapping, PCB masking and general-purpose electrical insulation.

Key Features

• High-strength polyester film electrical insulation tape
• Excellent dielectric strength and electrical stability
• Good resistance to abrasion, chemicals and solvents
• Withstands high temperature (130°C to 155°C depending on adhesive)
• Available in acrylic adhesive or silicone adhesive
• Thin, flexible, and easy to wrap around coils
• Does not shrink or deform under heat
• Suitable for electrical, electronic and industrial applications

Applications

• Motor winding insulation and phase separation
• Transformer coil wrapping and turn insulation
• Layer insulation in armatures and windings
• PCB masking and electronic component insulation
• General-purpose electrical wire and cable wrapping
• EV motor insulation, battery assemblies
• Binding of DMD, PET, NMN and other insulation materials

Technical Range

• Backing Material: Polyester Film
• Adhesive Option: Acrylic Adhesive / Silicone Adhesive
• Thermal Class: Class B (130°C) / Class F (155°C)
• Dielectric Strength: High insulating capability
• Thickness: 0.05 mm – 0.10 mm
• Width Options: 10 mm – 100 mm
• Color: Transparent / Yellow / Green / White

Advantages

• Strong and durable insulation film for electrical applications
• Reliable under heat, moisture, voltage and mechanical load
• Excellent adhesive strength for long-term bonding
• Compatible with most insulation materials
• Cost-effective and suitable for OEM as well as rewinding shops

Aramid Paper Adhesive Tapes are high-performance polyamide insulation tapes known for their superior heat resistance, mechanical toughness, and flame retardancy. Designed for extreme environments, these tapes offer high dielectric strength and withstand temperatures ranging from 150°C to 220°C.

Our Silicone Varnished Fiberglass Fabric tapes, classified under a robust Class H with a service temperature of 180 °C, exhibits exceptional resilience that extends its usability up to 200 °C. This resilience stems from its resistance to high temperatures and oxidation, making it a reliable choice for demanding applications. Beyond its impressive thermal properties, this fabric boasts flexibility with excellent trackability, ensuring ease of use. With high mechanical strength, it maintains its structural integrity even after prolonged exposure to elevated temperatures. Notably, the material retains its flexibility post-aging, a testament to its enduring quality. Furthermore, Silicone Varnished Fabric showcases remarkable moisture resistance and water repellency, enhancing its suitability for diverse and challenging environments.

Electrical Insulation Tape is a versatile, high-dielectric protective tape designed for general-purpose electrical insulation, cable bundling, wire jointing, phase identification and protective wrapping in motors, transformers and wiring systems. This tape is widely used in domestic, commercial, industrial and automotive applications due to its excellent adhesion, flexibility and long-term insulation stability.

Made from PVC, polyester, or specialized insulating materials (depending on grade), Electrical Insulation Tape provides strong resistance to voltage stress, abrasion, moisture and chemicals. It adheres firmly to wires, cables, coils, busbars and terminals without lifting or peeling, making it ideal for routine electrical assembly and maintenance work.

Electrical Insulation Tape is flame retardant, durable, weather-resistant and suitable for Class A/B insulation systems. It is available in multiple colors for phase marking, identification and harnessing.

Key Features

• High-dielectric electrical insulation tape
• Excellent adhesion and flexibility
• Flame retardant and weather resistant
• Resistant to abrasion, moisture, oil and chemicals
• Suitable for low, medium and domestic voltage insulation
• Available in multiple colors for phase marking
• Strong mechanical and electrical protection
• Suitable for motors, transformers and wiring harnesses

Applications

• Cable joint insulation and protective wrapping
• Wire bundling and phase identification
• Motor rewinding and coil insulation
• Transformer terminal protection
• Electrical panel wiring and appliance motors
• Automotive wiring harnesses and repairs
• Industrial control systems and switchboards
• General-purpose electrical maintenance

Technical Range

• Material Options: PVC / Polyester / Rubber-based insulation
• Adhesive: Pressure-sensitive adhesive
• Temperature Range: 80°C – 130°C depending on grade
• Dielectric Strength: High
• Width: 10 mm – 30 mm
• Thickness: 0.12 mm – 0.20 mm
• Colors: Black / Red / Yellow / Blue / Green / White / Multicolor
• Tape Type: Electrical insulation and binding tape

Advantages

• Economical and multipurpose electrical tape
• Suitable for industrial, domestic and automotive wiring
• Provides strong electrical and mechanical insulation
• High adhesion and long-lasting performance
• Easy to apply and tear during installation

Teflon Tape, also known as PTFE Tape, is a high-performance insulation and sealing tape made from polytetrafluoroethylene (PTFE). It is designed for applications requiring exceptional heat resistance, chemical resistance, dielectric strength and friction-free performance. PTFE is one of the most chemically inert and thermally stable polymers, making this tape suitable for harsh industrial, electrical and mechanical environments.

Teflon Tape withstands continuous temperatures up to 260°C and short-term peaks above 300°C, without melting, burning or degrading. It offers excellent dielectric properties, making it ideal for electrical insulation, transformer and motor applications, high-frequency circuits, and high-temperature cable wrapping.

PTFE Tape is also widely used for sealing threaded pipe joints, chemical lines, pneumatic connections, hydraulic fittings and steam lines due to its lubricating and non-stick properties. It is non-flammable, non-toxic, moisture-proof and unaffected by oils, fuels, acids, solvents and corrosion.

This tape maintains flexibility, dimensional stability and mechanical durability even under vibration, thermal cycling and exposure to aggressive chemicals.

Key Features

• Made from pure PTFE (Teflon) polymer
• Extremely high temperature resistance (up to 260°C)
• Excellent dielectric strength and electrical insulation
• Chemically inert – resists acids, oils, solvents and alkalis
• Non-flammable and non-melting
• Low friction, non-stick and moisture-proof
• Ideal for high-frequency and high-temperature insulation
• Does not age, crack or degrade over time
• High tensile strength and smooth wrapping

Applications

• Motor winding and high-temperature electrical insulation
• Transformer insulation and lead protection
• High-frequency electronics and RF equipment
• Pipe sealing and thread sealing (plumbing, chemical lines)
• Chemical, pharmaceutical and food-grade equipment
• Cable wrapping in harsh industrial environments
• Insulation of heating elements and furnaces
• Busbar protection and conductor insulation
• Aerospace, EV battery systems and semiconductor applications

Technical Range

• Material: Pure PTFE (Teflon)
• Adhesive: Non-adhesive (standard); adhesive variants available
• Temperature Resistance: 260°C continuous / >300°C peak
• Dielectric Strength: Very high
• Chemical Resistance: Excellent — almost universal
• Thickness: 0.05 mm – 0.20 mm
• Width Options: 10 mm – 100 mm
• Color: White (standard) / Transparent / Custom

Advantages

• Best chemical and high-temperature resistance among tapes
• Perfect for electrical, thermal, mechanical & sealing applications
• Extremely long service life – does not degrade
• Smooth, friction-free surface
• Ideal for OEM electrical, industrial & export-grade systems