Dafu

  • stock code:
  • 874738
  • CN
    +86-18126644882

    Excellent high temperature resistance performance Dafu PEI film can maintain stability in environments up to 170 ℃.

    2026.06.12

    In today's high-tech materials market, Dafu New Materials Company takes the lead, launches its high-performance PEI (polyetherimide) film.

    PEI对比PEN_耐酸性

    Key Performance of Dafu PEI Film

    01 Excellent high temperature resistance performanceDafu PEI film can maintain stability in environments up to 170 ℃. This high temperature resistance performance

    demonstrates excellent adaptability and reliability in applications that require high-temperature treatment. For example, in the aerospace and automotive industries, materials often need to withstand extreme temperatures, Dafu PEI film perfectly meets this requirement.

    02 Outstanding chemical resistance performance

    In various harsh chemical corrosive environments, Dafu PEI film exhibits superior chemical resistance, ensuring that the material can maintain its physical properties and structural integrity under chemical corrosion conditions. This is particularly important for the chemical and electronic manufacturing industries, where materials are often exposed to acidic solutions or corrosive gases. The acid resistance of Dafu PEI film provides strong protection.

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    03 Excellent thickness uniformity

    The thickness uniformity of Dafu PEI film has reached a first-class level, which is similar with the products from Mitsubishi in Japan. Both the thinnest and thickest parts of the film maintain a consistent thickness, which means that the stability and consistency of the material are greatly guaranteed during the production process. This is particularly important for applications that require high-precision control, such as electronic circuit and optical device manufacturing.


    04 Haze effect on matte finish

    In appearance, Dafu PEI film has excellent matte finish and is the only one manufacturer in China that can produce this effect.


    05 Multiple thickness options

    The thickness range of Dafu PEI film is wide,from 25 microns to 500 microns, with a maximum width of 1050 millimeters, which can meet the different needs of different customers. No matter it requires extremely thin film layers for precision instruments or thicker film layers for high-strength applications, Dafu PEI film can provide suitable solutions.

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    06 Excellent tensile strength

    Dafu PEI film has excellent tensile strength and can maintain stability under high stress conditions. This makes it particularly outstanding in applications that require high strength and durability, such as electronic devices, mechanical components, and other fields.

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    07 Self flame retardant properties

    Dafu PEI film has excellent self flame retardant properties. This feature greatly enhances its value in applications with high safety requirements, such as unmanned driving, electrical equipment, and other fields with strict fire prevention requirements.

    Dafu New Materials adopts the most advanced production equipment and strict quality control system in the production of PEI film. Every step in the production process is strictly controlled  and tested to ensure consistent performance and quality of the product.

    As a high-performance special engineering plastic film, Dafu PEI film has won wide recognition in the market for its excellent high temperature and acid resistance, as well as excellent thickness uniformity and matte surface effect.

    For more information, please visit our official website or contact our customer service team.

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