Harnawa Insulations Private Limited

PTFE Teflon Insulated Cable is a premium high-temperature electrical cable designed for extreme industrial conditions where standard PVC, rubber or fiberglass cables cannot operate safely. The conductor is insulated with PTFE (Polytetrafluoroethylene), a high-performance fluoropolymer known for its exceptional temperature resistance, dielectric strength, chemical resistance and non-aging properties.

PTFE insulation can withstand continuous temperatures up to 250°C and short-term peaks beyond 300°C, making this cable ideal for aerospace, chemical plants, furnaces, instrumentation, heaters, motors, EV systems and high-frequency applications. PTFE Teflon Cables have extremely low friction, excellent flexibility, and maintain their electrical properties even under thermal shock, vibration, moisture and corrosive environments.

These cables are widely used for sensors, heaters, instrumentation circuits, power supplies, high-frequency equipment and industrial machinery requiring long-lasting, safe insulation under harsh operating conditions.

Key Features

• High-temperature PTFE insulated cable
• Continuous temperature rating up to 250°C
• Excellent dielectric strength and electrical stability
• Flame-resistant, chemical-resistant and moisture-resistant
• Very low friction, flexible and non-aging insulation
• Suitable for high-frequency and high-voltage applications
• Resistant to oils, solvents, acids and industrial chemicals
• Long service life under extreme thermal and mechanical conditions
• Available in copper, tinned copper and silver-plated copper conductors

Applications

• Aerospace, aviation and defence wiring
• Industrial heaters, furnaces, ovens and boilers
• Motors, alternators, generators and transformers
• Sensors, RTDs, instrumentation and control circuits
• High-frequency and low-loss signal wiring
• Chemical process plants and refineries
• EV battery systems, chargers and electronics
• Automation, robotics and high-temperature machinery

Technical Range

• Temperature Rating: 250°C continuous (300°C short-term)
• Voltage Rating: 300V / 600V / 1kV
• Conductor Options: Copper, Tinned Copper, Silver-Plated Copper
• Insulation Material: PTFE Teflon
• Size Range: 0.25 sq.mm to 25 sq.mm
• Colors Available: Red, Yellow, Black, Blue, White, Brown
• High-frequency suitability due to low dielectric loss

Advantages

• Best-in-class temperature resistance among insulation materials
• Chemically inert and suitable for aggressive environments
• Stable insulation with very long lifespan
• Safe for fire-prone or high-heat circuits
• Suitable for both power and signal applications

PTFE Insulated Cables are high-performance, high-temperature electrical cables insulated with PTFE (Polytetrafluoroethylene), a premium fluoropolymer known for its exceptional thermal, chemical and electrical properties. These cables are designed for extreme industrial environments where standard PVC, rubber, silicone or fiberglass cables cannot survive.

PTFE insulation delivers outstanding heat resistance up to 250°C continuous and maintains stable dielectric strength even at cryogenic temperatures. It offers very low friction, does not absorb moisture, and provides complete resistance to oils, acids, alkalis, solvents, fuels and corrosive chemicals. PTFE Insulated Cables are extremely flexible, flame-resistant and non-aging, ensuring long operational life in harsh conditions.

These cables are widely used in aerospace, defense, chemical plants, instrumentation, heaters, motors, sensors, EV electronics, control panels and high-frequency equipment.

Key Features

• High-temperature PTFE insulated cable
• Continuous operating temperature up to 250°C
• Excellent dielectric strength and insulation stability
• Flame-resistant, moisture-proof and chemical-resistant
• Extremely flexible with low friction surface
• Suitable for high-frequency and signal applications
• Non-aging insulation with long service life
• Resistant to oils, acids, solvents and harsh chemicals
• Available with copper, tinned copper and silver-plated copper conductors

Applications

• Aerospace, aviation and defense wiring
• Industrial heaters, ovens, furnaces and boilers
• Motors, alternators and high-temperature circuits
• Sensors, RTDs, thermocouples and instrumentation
• Chemical processing, laboratories and refineries
• EV wiring, chargers, battery packs and electronics
• Control panels, power supplies and automation equipment
• High-frequency and RF signal circuits

Technical Range

• Temperature Rating: 250°C continuous (300°C short-term)
• Voltage Rating: 300V / 600V / 1kV
• Conductor: Copper, Tinned Copper, Silver-Plated Copper
• Insulation: PTFE
• Size Range: 0.25 sq.mm to 25 sq.mm
• Colors Available: Red, Yellow, Black, Blue, White, Brown
• Dielectric Loss: Extremely low for stable signal transmission

Advantages

• Best heat resistance among all insulation materials
• Chemically inert and suitable for corrosive environments
• Provides excellent electrical insulation at any temperature
• Long service life due to non-aging PTFE insulation
• Safe for high-heat, fire-prone and industrial environments

Silicone Rubber Cable is a high-temperature, flexible electrical cable designed for continuous operation in extreme heat, cold, vibration and harsh industrial environments. The conductor is insulated with premium silicone rubber, which provides excellent thermal endurance, outstanding electrical insulation, high flexibility and long service life even under repeated bending and movement.

Silicone insulation remains stable from very low to very high temperatures and does not melt, harden or crack. This makes Silicone Rubber Cable ideal for ovens, heaters, furnaces, motors, lighting equipment, industrial machinery, EV wiring, appliances and outdoor electrical systems.

The cable resists moisture, chemicals, oils and environmental exposure, and is commonly used for power, control, sensor and heating applications. Silicone Rubber Cables are safe, flame-resistant and suitable for Class H (180°C) environments.

Key Features

• High-temperature silicone rubber insulated cable
• Temperature operating range from -60°C to +180°C
• High flexibility and excellent bending performance
• Flame-resistant, non-melting and non-dripping insulation
• Resistant to moisture, oils, chemicals and UV radiation
• Stable electrical insulation under heat and vibration
• Suitable for indoor and outdoor use
• Long service life in harsh thermal environments

Applications

• Industrial heaters, ovens and furnaces
• Motors, alternators and generators
• Appliances, lighting equipment and power supplies
• EV wiring, automotive harnesses and battery systems
• Control panels, instrumentation and sensors
• Outdoor electrical circuits and lighting
• Industrial automation and machinery wiring

Technical Range

• Temperature Rating: -60°C to 180°C
• Voltage Rating: 300V / 600V / 1kV
• Conductor Options: Copper / Tinned Copper / Stranded Flexible Copper
• Insulation Material: Silicone Rubber
• Cable Size: 0.5 sq.mm to 50 sq.mm
• Colors: Red, Black, Blue, Yellow, White, Grey

Advantages

• Remains flexible over wide temperature ranges
• High safety due to flame-resistant silicone insulation
• Withstands continuous heat without deformation
• Suitable for dynamic and vibration-heavy applications
• Long-lasting insulation stability and reliability

PTFE Teflon Insulated Cable is a premium high-temperature electrical cable designed for extreme industrial conditions where standard PVC, rubber or fiberglass cables cannot operate safely. The conductor is insulated with PTFE (Polytetrafluoroethylene), a high-performance fluoropolymer known for its exceptional temperature resistance, dielectric strength, chemical resistance and non-aging properties.

PTFE insulation can withstand continuous temperatures up to 250°C and short-term peaks beyond 300°C, making this cable ideal for aerospace, chemical plants, furnaces, instrumentation, heaters, motors, EV systems and high-frequency applications. PTFE Teflon Cables have extremely low friction, excellent flexibility, and maintain their electrical properties even under thermal shock, vibration, moisture and corrosive environments.

These cables are widely used for sensors, heaters, instrumentation circuits, power supplies, high-frequency equipment and industrial machinery requiring long-lasting, safe insulation under harsh operating conditions.

Key Features

• High-temperature PTFE insulated cable
• Continuous temperature rating up to 250°C
• Excellent dielectric strength and electrical stability
• Flame-resistant, chemical-resistant and moisture-resistant
• Very low friction, flexible and non-aging insulation
• Suitable for high-frequency and high-voltage applications
• Resistant to oils, solvents, acids and industrial chemicals
• Long service life under extreme thermal and mechanical conditions
• Available in copper, tinned copper and silver-plated copper conductors

Applications

• Aerospace, aviation and defence wiring
• Industrial heaters, furnaces, ovens and boilers
• Motors, alternators, generators and transformers
• Sensors, RTDs, instrumentation and control circuits
• High-frequency and low-loss signal wiring
• Chemical process plants and refineries
• EV battery systems, chargers and electronics
• Automation, robotics and high-temperature machinery

Technical Range

• Temperature Rating: 250°C continuous (300°C short-term)
• Voltage Rating: 300V / 600V / 1kV
• Conductor Options: Copper, Tinned Copper, Silver-Plated Copper
• Insulation Material: PTFE Teflon
• Size Range: 0.25 sq.mm to 25 sq.mm
• Colors Available: Red, Yellow, Black, Blue, White, Brown
• High-frequency suitability due to low dielectric loss

Advantages

• Best-in-class temperature resistance among insulation materials
• Chemically inert and suitable for aggressive environments
• Stable insulation with very long lifespan
• Safe for fire-prone or high-heat circuits
• Suitable for both power and signal applications

PTFE Teflon Insulated Cable is a premium high-temperature electrical cable designed for extreme industrial conditions where standard PVC, rubber or fiberglass cables cannot operate safely. The conductor is insulated with PTFE (Polytetrafluoroethylene), a high-performance fluoropolymer known for its exceptional temperature resistance, dielectric strength, chemical resistance and non-aging properties.

PTFE insulation can withstand continuous temperatures up to 250°C and short-term peaks beyond 300°C, making this cable ideal for aerospace, chemical plants, furnaces, instrumentation, heaters, motors, EV systems and high-frequency applications. PTFE Teflon Cables have extremely low friction, excellent flexibility, and maintain their electrical properties even under thermal shock, vibration, moisture and corrosive environments.

These cables are widely used for sensors, heaters, instrumentation circuits, power supplies, high-frequency equipment and industrial machinery requiring long-lasting, safe insulation under harsh operating conditions.

Key Features

• High-temperature PTFE insulated cable
• Continuous temperature rating up to 250°C
• Excellent dielectric strength and electrical stability
• Flame-resistant, chemical-resistant and moisture-resistant
• Very low friction, flexible and non-aging insulation
• Suitable for high-frequency and high-voltage applications
• Resistant to oils, solvents, acids and industrial chemicals
• Long service life under extreme thermal and mechanical conditions
• Available in copper, tinned copper and silver-plated copper conductors

Applications

• Aerospace, aviation and defence wiring
• Industrial heaters, furnaces, ovens and boilers
• Motors, alternators, generators and transformers
• Sensors, RTDs, instrumentation and control circuits
• High-frequency and low-loss signal wiring
• Chemical process plants and refineries
• EV battery systems, chargers and electronics
• Automation, robotics and high-temperature machinery

Technical Range

• Temperature Rating: 250°C continuous (300°C short-term)
• Voltage Rating: 300V / 600V / 1kV
• Conductor Options: Copper, Tinned Copper, Silver-Plated Copper
• Insulation Material: PTFE Teflon
• Size Range: 0.25 sq.mm to 25 sq.mm
• Colors Available: Red, Yellow, Black, Blue, White, Brown
• High-frequency suitability due to low dielectric loss

Advantages

• Best-in-class temperature resistance among insulation materials
• Chemically inert and suitable for aggressive environments
• Stable insulation with very long lifespan
• Safe for fire-prone or high-heat circuits
• Suitable for both power and signal applications

DMD / DMDD Cable is a high-temperature electrical cable insulated with composite DMD (Polyester Film + Polyester Fleece) or DMDD (Double Layer DMD) insulation. This construction provides excellent dielectric strength, thermal endurance and mechanical durability for motors, transformers, coils and industrial equipment wired under elevated temperature conditions.

DMD insulation combines the toughness of polyester film with the flexibility and heat resistance of non-woven polyester fleece, making the cable suitable for Class F (155°C) operations. DMDD insulation offers even greater dielectric stability with an additional DMD layer, allowing improved thermal performance and long service life in electrical windings and high-temperature connections.

DMD / DMDD Cables are commonly used for coil leads, terminal insulation, motor rewinding, transformer wiring, heaters, small appliances and industrial machinery. They resist abrasion, moisture, oils and vibration, ensuring safe electrical performance in harsh conditions.

Key Features

• Insulated with high-quality DMD or double-layer DMDD composite
• Suitable for Class F (155°C) electrical systems
• Strong dielectric strength and insulation stability
• High flexibility with excellent mechanical toughness
• Resistant to abrasion, vibration, moisture and chemicals
• Does not crack or deform under thermal cycling
• Lightweight and easy to install in compact electrical systems
• Available with copper or tinned copper conductors

Applications

• Motor winding leads and terminal connections
• Transformer coil wiring and insulation leads
• Electrical appliances, fans and pumps
• Industrial machinery and control panels
• Heaters, coils, chargers and power supplies
• Rewinding shops and OEM electrical manufacturing
• Temperature-exposed circuits and low-voltage wiring

Technical Range

• Temperature Rating: 155°C (Class F)
• Voltage Rating: 300V / 600V
• Conductor: Copper or Tinned Copper
• Insulation: DMD Composite or DMDD Double-Layer Composite
• Size Range: 0.5 sq.mm to 16 sq.mm
• Colors: White, Yellow, Natural

Advantages

• Better mechanical stability compared to polyester or PVC wires
• High dielectric performance for long service life
• Stable insulation under heat and vibration
• Suitable for industrial and motor rewinding applications
• Cost-effective high-temperature composite cable