Industry News

Polyester Mica Tape is a fire-resistant insulation composite material composed of mica sheet as the insulation core, polyester film (PET) as the reinforcing substrate, and adhesive composite. It is the core insulation material for motors, cables, and transformers. The core is divided into four categories: insulation, fire-resistant, protective, and process adaptation

For a long time, the high-end thermally upgraded insulation paper market has been monopolized by imported brands, resulting in high procurement costs, long delivery cycles and insufficient supply flexibility for transformer manufacturers. With the continuous upgrading of domestic power equipment manufacturing standards, high-performance localized insulation materials have become an inevitable trend. Thermally Upgraded Kraft Paper launched by Hanyao breaks the technical barrier of imported products, providing a cost-effective and stable alternative solution for power and distribution transformer insulation.

Polyester Heat Shrinking Tape is divided into two categories: electrical insulation braided heat shrinkable tape and PET film heat shrinkable wrapping tape. It is applied in fields such as electrical, new energy vehicles, packaging, aerospace, medical equipment, HVAC refrigeration, etc

The structural and operational reliability of oil-immersed transformers depends entirely on the integrity of their internal insulation networks. When high-voltage transformers operate under continuous thermal and electrical stresses, internal conductors require flexible, high-dielectric barriers that can bend without collapsing. We analyzes how the Electrical Insulation Crepe Paper Tube, manufactured by Hanyao, serves as a foundational component in modern solid insulation systems. We examine its raw material chemistry, mechanical behavior under physical bending, chemical interactions with transformer oil, and specific manufacturing parameters to demonstrate how it maximizes transformer operational lifespans.

​The core characteristics of Unidirectional Glass Fiber Tapes are that the fiberglass fibers are arranged in a single direction along the length, without interweaving. The tensile strength and modulus along the fiber axis are much higher than those of plain weave fiberglass cloth. It is lightweight and corrosion-resistant, and is specifically used for directional reinforcement of unidirectional load-bearing structures. It is divided into two categories: dry UD fiberglass tape (hand pasted composite) and pre impregnated unidirectional fiberglass tape (thermoplastic/thermosetting), covering six core industries:

Thermally Upgraded Kraft Paper is a special insulation kraft paper that has been thermally stabilized and modified, with a core positioning of electrical insulation