Electronics Varnishes & Lacquers

Electronics varnishes and lacquers are coating materials applied to PCBs (printed circuit boards) to protect the board and its components from corrosion and the external environment.

Chemicals, dust, temperature extremes and moisture can damage electronic components, so protection is required to ensure efficient functioning is maintained. In addition to protecting electronics from failure or damage, varnishes and lacquers also help electronics to withstand harsh environments.

How do electronics varnishes and lacquers work?

Electronics varnishes and lacquers protect electronic boards from environmental contaminates while also allowing any trapped moisture to escape.

They are typically applied onto a PCB by painting or spraying. By covering and protecting the leads of electronic components, solder joints, exposed traces and other metallic areas from corrosion, these coating materials extend the working life of PCBs.

What are electronics varnishes and lacquers used for?

Electronics varnishes and lacquers provide the necessary combination of reliability and high performance within a vast majority of electronic devices in applications such as:

  • Military and industrial settings
  • The aerospace industry
  • Green energy
  • Shipping
  • Lighting
  • Domestic and mobile electronics

...
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Viewing 1 - 10 of 10 products
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Description Price Package Size Package Type Application Material Colour Dielectric Strength Maximum Operating Temperature Minimum Operating Temperature
RS Stock No. 199-1480
BrandRS PRO
HK$94.84
Each
units
250 ml Can Components, PCBs, Transformers - Clear 60kV/mm +120°C -55°C
RS Stock No. 165-5583
Mfr. Part No.ERURC200D
HK$179.12
Each
units
200 ml Aerosol Electrical Circuit Protection Urethane - 80kV/mm +140°C -40°C
RS Stock No. 136-8535
BrandRS PRO
HK$56.86
Each
units
400 ml Aerosol - - Clear 42.6kV/mm +120°C -40°C
RS Stock No. 124-7681
Mfr. Part No.842AR-P
HK$397.25
Each
units
5 ml Pen Game Controllers, Keyboards, Mixing Boards, PCBs, Remote Controls Acrylic Grey-Silver - +120°C -40°C
RS Stock No. 136-8542
BrandRS PRO
HK$52.62
Each
units
400 ml Aerosol Mechanical Parts Polymer - 48kV/mm +125°C -55°C
New
RS Stock No. 192-7563
Mfr. Part No.842UR-12ML
HK$698.64
Each
units
12 ml Jar - Polyurethane Silver - +125°C -40°C
RS Stock No. 165-5581
Mfr. Part No.ERAFAG35SL
HK$148.05
Each
units
35 ml Syringe Electrical Circuit Protection Acrylic - 45kV/mm +125°C -65°C
RS Stock No. 136-8533
BrandRS PRO
HK$56.40
Each
units
400 ml Aerosol Electrical Circuit Protection Acrylic Clear 45kV/mm +150°C -12°C
New
RS Stock No. 192-7562
Mfr. Part No.842AR-140G
HK$2,996.14
Each
units
132 ml Aerosol - - - - +120°C -40°C
RS Stock No. 182-6347
Mfr. Part No.32915
BrandCRC
HK$287.59
Each
units
400 ml Aerosol - - - 80kV/mm - -
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