Conformal Coatings

A conformal coating is a thin, protective coating for PCBs and other electronic components providing insulation and protection from external and environmental conditions. Available in a variety of formulas, the most common conformal coatings are made from acrylic, epoxy, silicone or urethane. The coating can be removed easily with most common solvents, or specialist solvents can be used to remove and rework a conformal coating. At RS Components, our range features products from industry-leading brands such as Ambersil, Chemtronics, Electrolube, MG Chemicals and RS PRO.

Why use a conformal coating?

A conformal coating provides protection from external conditions and contaminants, such as moisture, sea salt, chemicals and extreme temperatures. This protection extends the working life of the PCB, as well as allowing for higher voltages and closer track spacing on the PCB.

Conformal coatings are used in many types of applications where high performance and reliability are needed. These include military, automotive, marine and green energy to domestic and mobile electronic industries.

How are conformal coatings applied?

Conforming coatings are applied in low volume applications by brushing the components with the coating material. For low to medium volume applications, the coating can be sprayed onto the PCB using an aerosol or dedicated spray booth, providing excellent tip coverage to the components. High volume applications often use a dipping method. Masking is an important part of this coating process and must be applied perfectly to protect the PCB circuit board when using this coating process. A component can be reworked after a conformal coating is applied.

When using a conformal coating, the viscosity and thickness of the coating is highly important as it can affect PCB performance. Viscosity of the conformal coating must be monitored as part of the process.

What are the different types of conformal coating?

  • Silicone coatings give great protection in a range of temperatures, good chemical resistance, flexibility and resistant to sea salt.
  • Acrylic coatings, easy to use and remove, provide fair elasticity, abrasion resistant and have high dielectric strength.
  • Polyurethane/urethane coatings have excellent moisture and chemical resistance and are abrasion-resistant.
  • Epoxy coatings give good humidity resistance, high abrasion and chemical resistance.

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Nombre de résultats par page
Description Prix Package Size Package Type Application Material Colour Maximum Operating Temperature Minimum Operating Temperature Trade Name
N° de stock RS 160-9074
Référence fabricant006967
MarqueJelt
7,28 €
Each
Unité
30 ml Vial Electronic Components, PCBs - Red +135°C -40°C BLOC JELT
N° de stock RS 461-2174
Référence fabricant006967
MarqueJelt
55,20 €
1 Lot of 10
Lot(s)
30 ml Vial Electronic Components, PCBs - Red +135°C -40°C BLOC JELT
N° de stock RS 495-240
Référence fabricantCW3300G
MarqueChemtronics
24,06 €
Each
Unité
4.9 g Pen PCBs Acrylic Green +125°C -55°C CW3300
N° de stock RS 290-9476
Référence fabricantHPA200HR
MarqueElectrolube
15,13 €
Each
Unité
200 ml Aerosol PCBs Acrylic Resin Transparent +130°C -55°C HPA
N° de stock RS 535-525
Référence fabricantFSC15ML
MarqueElectrolube
5,41 €
Each
Unité
15 ml Bottle Solvent Thinner Silicone Resin Transparent +125°C -50°C FSC
N° de stock RS 101-6343
Référence fabricantDCA200H
MarqueElectrolube
17,31 €
Each
Unité
200 ml Aerosol PCBs Silicone Resin Transparent +200°C -70°C DCA
N° de stock RS 175-6344
Référence fabricant008461
MarqueJelt
22,47 €
Each
Unité
650 ml Aerosol Contacts, Relays Silicone Transparent Amber +200°C -45°C Vernis V 991
N° de stock RS 461-2023
Référence fabricant008461
MarqueJelt
18,833 €
Each (In a Lot of 12)
Unité
650 ml Aerosol Contacts, Relays Silicone Transparent Amber +200°C -45°C -
N° de stock RS 763-0768
Référence fabricantSC3001RP250G
MarqueElectrolube
34,19 €
Each
Unité
250 g Pouch Electronics, Optics, PCBs Silicone Resin Transparent +200°C -60°C SC3001
N° de stock RS 714-462
MarqueRS PRO
13,67 €
Each
Unité
200 ml Aerosol PCBs Acrylic Resin Transparent +130°C -55°C -
N° de stock RS 283-268
Référence fabricantLFCC400ML
MarqueElectrolube
28,49 €
Each
Unité
400 ml Aerosol PCBs Silicone Resin Transparent +150°C -50°C LFCC
N° de stock RS 494-714
MarqueRS PRO
15,29 €
Each
Unité
200 ml Aerosol PCBs Silicone Resin Transparent +200°C -70°C -
N° de stock RS 784-4854
Référence fabricantCCRG01L
MarqueElectrolube
84,81 €
Each
Unité
1 L Bottle PCBs Thixotropic Gel Transparent - - CCRG
N° de stock RS 321-7324
Référence fabricantAPL15ML
MarqueElectrolube
5,01 €
Each
Unité
15 ml Bottle PCBs Acrylic Resin Transparent +125°C -55°C APL
N° de stock RS 111-5846
Référence fabricantRS1201611
MarqueCramolin
13,06 €
Each
Unité
400 ml Aerosol Electronics, PCBs Acrylic Resin Transparent +120°C -70°C PLASTIK
N° de stock RS 557-991
Référence fabricant30235-AB
MarqueAmbersil
13,21 €
Each
Unité
400 ml Aerosol Electronics, PCBs Acrylic Resin Transparent +60°C -40°C ACRYLIC
N° de stock RS 771-6702
Référence fabricant32057-001
MarqueAmbersil
106,58 €
Each
Unité
5 L Tin Electronics, PCBs Acrylic Resin Transparent +100°C -40°C ACRYLIC CONFORMAL COATING
N° de stock RS 160-9080
Référence fabricant006966
MarqueJelt
7,28 €
Each
Unité
30 ml Vial - Nitrocellulose Green +135°C -40°C BLOCJELT
N° de stock RS 175-5874
Référence fabricantAPL05L
MarqueElectrolube
146,78 €
Each
Unité
5 L Can PCBs Acrylic Resin Transparent +125°C -55°C APL
N° de stock RS 461-2168
Référence fabricant006966
MarqueJelt
5,52 €
Each (In a Lot of 10)
Unité
30 ml Vial - Nitrocellulose Green +135°C -40°C BLOCJELT