Import Bopet Base Film For Electrical Insulation Film — Buy in Bulk from Supplier in China

This BOPET base film for electrical insulation is a biaxially oriented polyester film engineered for dielectric applications including wire and cable wrapping, touch panel insulation, and general electrical barrier uses. The supplier specifies thickness between 25 and 100 microns with stated tolerance control, and highlights electrical, mechanical, and chemical corrosion resistance alongside thermal stability and high puncture resistance. The material is dedicated to electrical insulation rather than decorative or packaging end-uses.

BOPET film for insulation is typically produced from polyethylene terephthalate resin with intrinsic viscosity around 0.60-0.70 dL/g, extruded and stretched in both machine and transverse directions to achieve balanced orientation. Standard industry dielectric strength for this grade ranges from 200-300 V/μm, with volume resistivity typically above 10^15 Ω·cm at room temperature. The film surface may be untreated, corona-treated, or chemically primed depending on downstream lamination or coating requirements; the supplier does not specify surface treatment in the listing.

Primary buyers include wire and cable manufacturers, motor and transformer producers, and electronics OEMs requiring flexible dielectric substrates. The film is commonly supplied in master rolls or slit formats; core dimensions and winding lengths are not stated and should be confirmed with the supplier. Packaging, MOQ, and lead time are absent from the listing, so importers should request these details directly. Ningbo and Shanghai are standard export ports for Zhejiang-based PET film producers, though the supplier does not designate a preferred port.

Zhejiang Great Southeast Co., Ltd. is headquartered at No. 5 Qianxi Road, Zhuji, Zhejiang Province, 311800, China. The company holds a Harbor trust tier on this marketplace, with a response rate of 0.00% and no recorded response hours, which indicates minimal or no engagement through platform messaging. The listing provides a product-focused description without company history, manufacturing scale, or certification details.

The supplier's BOPET film line targets electrical insulation rather than packaging or decorative markets, suggesting dedicated extrusion and orientation equipment for technical film grades. No information is given about annual capacity, number of production lines, R&D capability, or export experience. Buyers should verify manufacturing credentials, quality management certification (ISO 9001, ISO 14001), and any IEC or UL test reports for dielectric materials directly with the supplier before committing to orders.