The expanding application of environmentally friendly insulating materials is driving the industry’s transition toward green and low-carbon practices.
2026-04-13
Rising environmental regulations are driving upgrades in transformer insulation media and materials, with traditional mineral oil gradually being replaced by eco‑friendly insulating oils such as natural esters and synthetic esters. Natural ester oils boast a flash point exceeding 350°C and a biodegradability rate of over 98%, significantly enhancing both safety and environmental performance; by 2026, the share of environmentally friendly insulated transformers is expected to surpass 15%. Dry‑type transformers, featuring an oil‑free design that eliminates leakage risks, are seeing their penetration rise to 40% in urban distribution networks, rural grids, and applications with stringent environmental requirements. The industry is also advancing clean manufacturing processes, improving the utilization rates of raw materials like silicon steel and copper, and reducing waste generation. The adoption of green materials and technologies enables transformer products to better align with carbon neutrality goals and international carbon‑tariff requirements, while expanding their applicability across sectors such as food, pharmaceuticals, and densely populated urban areas.
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