Electrical Insulation

Our PVD based Electrical Insulation solutions effectively prevent interference and short circuits and improve device performance.

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Insulation Solution That Prevent Interference and Short Circuit

Our Insulation solution deposits silicon nitride using environmentally friendly sputtering technology (PVD) to form a thin non-conductive layer on key electrical components to prevent interference and short-circuit of your devices and improve device’s performance.

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Solution Electrical Insulation
Coating Material Silicon Nitride
Substrate Stainless Steel
Resistance >100MΩ @100V
Coating Thickness 1 ~ 12µm
Coating Hardness 600 – 1,200 HV
Friction Ratio 0.2 ~ 0.3
Cross Hatch 5B
Pencil Hardness Test ≥9H
High Temperature Test 1H @ 150°C
Salt Spray Test 24H


  • Mobile Phone
  • Smart Watch
  • Phone Interior Components

  • Mobile Phone Camera Backplate

Feel free to contact us to customise your product solution. Contact Us

  • Spring Bar

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Frequently Asked Questions

  • What are the main advantages of Nanofilm coating?

  • What kind of coating solutions you provide? 

    Our coating solutions consist of decorative coating with scratch resistant, tribological wear resistant coating, conductive corrosion resistant coating, non-stick coating, electrical magnetic field insulation, hydrophobic and anti-reflective coating. Click here to find out more.

  • What are the main applications of your coating? 

    Our coating solutions resolve mission critical tribological, conductive and surface energy issues for customers in consumer electronics, automotive, semiconductor, hydrogen energy, optical, life science, tool and die and other general industries (textile, printing). Click here to find out more.

  • What substates can your solutions coat?

    We can coat a wide range of substrates including metal (stainless steel, copper, aluminium), alloy, polymer (plastic), and ceramics. 

  • What is the substrate maximum size? 

  • Where are your coating centres?

  • What is your lead time?

    Lead time varies depending on your specification. Please get in touch to learn more.

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Do you have any question and want to know more about our services? We will be glad to support you.

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