Electronics Varnishes

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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Description Price Colour Application Maximum Operating Temperature Package Type Material Dielectric Strength Package Size Trade Name Minimum Operating Temperature
RS庫存編號 199-1480
BrandRS PRO
HK$105.33
單位
Clear Components, PCBs, Transformers +120°C Can - 60kV/mm 250 ml - -55°C
RS庫存編號 136-8535
BrandRS PRO
HK$99.25
單位
Clear - +120°C Aerosol - 42.6kV/mm 400 ml - -40°C
RS庫存編號 136-8542
BrandRS PRO
HK$51.91
單位
- Mechanical Parts +125°C Aerosol Polymer 48kV/mm 400 ml - -55°C
RS庫存編號 124-7681
製造零件編號842AR-P
HK$482.95
單位
Grey-Silver Game Controllers, Keyboards, Mixing Boards, PCBs, Remote Controls +120°C Pen Acrylic - 5 ml - -40°C
RS庫存編號 192-7562
製造零件編號842AR-140G
HK$2,439.61
單位
- - +120°C Aerosol - - 132 ml - -40°C
RS庫存編號 136-8533
BrandRS PRO
HK$73.10
單位
Clear Electrical Circuit Protection +150°C Aerosol Acrylic 45kV/mm 400 ml - -12°C
RS庫存編號 165-5583
製造零件編號ERURC200D
HK$192.25
單位
- Electrical Circuit Protection +140°C Aerosol Urethane 80kV/mm 200 ml - -40°C
RS庫存編號 192-7563
製造零件編號842UR-12ML
HK$646.38
單位
Silver - +125°C Jar Polyurethane - 12 ml - -40°C
RS庫存編號 182-6347
製造零件編號32915
BrandCRC
HK$406.00
單位
- - - Aerosol - ≥80 kV 400 ml Varnish E 200 -