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IS 13730/IEC 60317/PART-32/CLASS-H
Introduce rugged physical reinforcement and ultimate thermal durability to your heavy electrical designs with Rational Glass Fiber Covered Copper Strips. Purpose-built for grid-scale machinery that operates under continuous physical stress and punishing current loads, these rectangular conductors swap out smooth liquid enamels for a textured, high-adhesion glass fibre weave. This advanced bracing profile acts as a heavy-duty matrix that anchors itself flawlessly inside high-voltage coils, preventing insulation slippage or rupture during aggressive power cycles.
Specifications
Material – Electrolytic Tough Pitch (ETP) or Oxygen-Free (OFC) Premium Copper
Conductor Type – Rectangular Profile / Flat Busbar Section
Colour – Pale Cream (Natural Fiber Appearance)
Insulation Material – Double-Layer Glass Fiber Braiding impregnated with High-Temperature Epoxy / Silicone Varnish
Insulation Type – Class H Mechanical Wrap (180°C+)
Usage/Application – Hydro & Turbo Generators, High-Voltage Power Transformers, Heavy Welding Transformers, Electro-Magnets, Substation EquipmentRequirement
Size Range – Fully customizable dimensions tailored to heavy industrial engineering specifications
Quality Maintain Every Time
Insulating flat strips with dry fiberglass yarn requires precision tensioning to eliminate voids, which is why our quality framework monitors braid-density with extreme care. Every production batch undergoes strict varnish penetration audits to ensure the bonding agent saturates the deepest layers of the fibre wrap. We perform stringent twist-and-bend testing to verify that the glass fibres remain tightly anchored to the flat copper faces and don’t fray, loosen, or bunch up when subjected to severe multi-axis forming.
Superior Impregnation and Varnish Voids Elimination
Achieve flawless structural integration during your final coil-baking process. The porous nature of our premium glass fibre covering is specifically engineered to absorb secondary insulating varnishes and trickle resins with maximum efficiency. This high absorption capability completely eliminates dangerous air pockets and micro-voids inside the finished winding layout, creating a solid, moisture-sealed block that locks out dust and environmental contaminants.
Heavy-Duty Structural Armor Against Shifting
Shield your machinery from the destructive forces of magnetic clamping and operational vibrations. The dense glass fibre jacket serves as a tough, shock-absorbing cushion that isolates the copper cores from structural friction and physical abrasions during high-torque assembly. This rugged textile barrier retains its mechanical strength even under immense physical clamping pressure, ensuring that adjacent turns never grind together and short out over decades of continuous operation.
Advanced Thermal Stability in Overload Scenarios
Ensure your grid installations handle intense electrical surges without catastrophic failure. Unlike synthetic films that melt under sudden thermal spikes, the glass fibre weave is inherently flame-retardant and maintains its structural shape even under localized hot-spot overloads. This exceptional thermal resilience ensures that large-scale power generators and heavy distribution transformers can run reliably in high-ambient zones without suffering from insulation decay.
