Harnawa Insulations Private Limited

E Glass Braided Sleeves are woven from high-quality alkali-free E-glass fibers, specifically designed to deliver reliable electrical insulation and mechanical protection in medium-duty applications. These sleeves offer excellent dielectric strength—typically rated for up to 1 kV—alongside strong resistance to chemicals, solvents, and mechanical abrasion. Their braided construction ensures flexibility and uniform wall thickness, enabling easy installation over cables and conductors without compromising insulation integrity. Rated V-0 for flame retardancy, they are self-extinguishing, making them a safe and cost-effective solution for a wide range of electrical insulation needs.

Commonly applied in the insulation of transformers, switchgear, electric motors, appliance wiring, and control panels, E Glass Braided Sleeves serve as a dependable insulation barrier in moderate temperature environments. Their thermal performance typically supports continuous operation up to 450°C with no degradation under normal electrical loads. Used across industries such as electrical manufacturing, appliance production, automotive electronics, and HVAC systems, these sleeves strike a balance between performance and affordability, offering long-lasting protection for conductors in compact or vibration-prone installations.

HTG Sleeves (High-Temperature Glass fiber Sleeves) are premium-grade thermal insulation sleeves engineered for the most demanding high-heat environments. Manufactured from densely braided, heavily treated glass fiber yarns, these sleeves are designed to withstand continuous temperatures of up to 650°C and short-term exposure to even higher peaks. The high-density construction ensures superior thermal insulation, mechanical integrity, and resistance to abrasion, making them an ideal choice where thermal containment and flame resistance are non-negotiable. Their construction allows them to shield cables, hoses, and pipes from direct flame, molten metal splash, and extreme radiant heat.

These sleeves are extensively used in extreme industrial environments such as furnaces, steel mills, refineries, foundries, and metal processing plants, where conventional sleeves would degrade rapidly. Their ability to endure intense heat and physical stress makes them essential for protecting wiring and hydraulic systems exposed to molten slag, welding sparks, or radiant heat sources. Industries such as metallurgy, petrochemical, glass manufacturing, and thermal processing rely on HTG Sleeves to maintain operational safety, prolong equipment life, and ensure uninterrupted high-temperature performance.

Heat Reflective Sleeving is a specialized thermal insulation product engineered to protect sensitive components from intense radiant heat exposure. Comprising high-grade braided fiberglass as the core and laminated with a reflective aluminum foil outer layer, this sleeving is capable of deflecting over 90% of radiant heat, thereby preserving the integrity of cables, hoses, and fluid lines in high-temperature zones. Its construction allows it to withstand continuous operating temperatures up to 550°C, delivering exceptional thermal shielding without sacrificing flexibility or ease of handling during installation.

Widely adopted in applications where thermal shielding is critical, Heat Reflective Sleeving is ideal for automotive exhaust systems, turbo lines, engine bays, industrial furnaces, heavy machinery, and power generator enclosures. It is particularly useful in sectors such as automotive manufacturing, thermal power plants, metallurgy, oil & gas, and aerospace—where components must be protected from both ambient and radiant heat. In addition to its thermal resistance, the sleeve offers excellent moisture resistance, anti-fraying properties, and flame protection, ensuring long-term durability even under harsh operational conditions.

ChatGPT said:Expandable PET Sleeves are braided from high-strength polyethylene terephthalate (PET) fibers, engineered to provide a flexible, lightweight, and highly durable solution for wire and cable management. Their open-weave construction allows for natural expansion, enabling the sleeve to conform to a wide range of cable bundle diameters while maintaining a snug, protective fit. PET sleeves are highly resistant to moisture, abrasion, and most industrial chemicals, ensuring long-term protection without fraying or degradation. With an operating temperature range up to 150°C and compliance with flame-retardant standards such as UL94 and FMVSS 302, these sleeves offer both safety and performance in demanding environments.

Thanks to their versatility and durability, Expandable PET Sleeves are widely used in the automotive, aerospace, electronics, and telecommunications industries. They are ideal for bundling wire harnesses, organizing signal and power cables, and providing lightweight shielding in engine compartments, dashboards, avionics panels, and data centers. The sleek, professional appearance of the braided mesh also makes them suitable for visible or consumer-facing installations, such as in computer hardware or high-end audio equipment. Their combination of thermal stability, chemical resistance, and expandability makes them an essential solution for modern cable protection and routing applications.