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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Omschrijving Prijs Package Size Package Type Application Material Colour Maximum Operating Temperature Minimum Operating Temperature Trade Name
RS-stocknr. 160-9080
Fabrikantnummer006966
FabrikantJelt
7,28 €
Each
Aantal stuks
30 ml Vial - Nitrocellulose Green +135°C -40°C BLOCJELT
RS-stocknr. 848-9098
FabrikantnummerAFA200
FabrikantElectrolube
11,87 €
Each
Aantal stuks
200 ml Aerosol Electrical Circuit Protection Acrylic Transparent +125°C -65°C AFA
RS-stocknr. 771-6702
Fabrikantnummer32057-001
FabrikantAmbersil
106,58 €
Each
Aantal stuks
5 L Tin Electronics, PCBs Acrylic Resin Transparent +100°C -40°C ACRYLIC CONFORMAL COATING
RS-stocknr. 192-2021
FabrikantnummerCW3300Black
FabrikantChemtronics
21,93 €
Each
Aantal stuks
4.9 g Pen Conformal Coating, Insulates and Protects Conductive Pen Traces, Prevents Shorting and Arcing, Repairs Permanent Solder Mask Acrylic Black +125°C -55°C CircuitWorks
RS-stocknr. 907-5595
FabrikantnummerFSC05L
FabrikantElectrolube
328,81 €
Each
Aantal stuks
5 L Can PCBs Silicone Resin Transparent +125°C -50°C FSC
RS-stocknr. 192-7558
Fabrikantnummer419E-340G
FabrikantMG Chemical
29,37 €
Each
Aantal stuks
420 ml Aerosol PCBs Acrylic Clear +130°C -65°C -
RS-stocknr. 131-6354
Fabrikantnummer32669
FabrikantCRC
15,77 €
Each
Aantal stuks
250 ml Aerosol Armature Coils, Boxes, Bus Bars, Commutator Ends, Controls, Electric Motor Windings, Housings, Solenoids, Terminals, Tools, Transformer Connectors Urethane Yellow +120°C -40°C URETHANE COATS
RS-stocknr. 768-2312
FabrikantnummerPUC400
FabrikantElectrolube
18,15 €
Each
Aantal stuks
400 ml Aerosol Electronics PUR Transparent Amber +130°C -55°C PUC
RS-stocknr. 155-8156
FabrikantnummerAPL500ML
FabrikantElectrolube
35,25 €
Each
Aantal stuks
500 ml Tin PCBs Acrylic Resin Transparent +125°C -55°C APL
RS-stocknr. 831-141
FabrikantRS PRO
14,59 €
Each
Aantal stuks
200 ml Aerosol PCBs Silicone Resin Red +200°C -70°C -
RS-stocknr. 251-3615
FabrikantRS PRO
5,832 €
Each (In a Pack of 5)
Aantal stuks
12 ml Pen Electronics, Office Equipment - Yellow +100°C -50°C -
RS-stocknr. 209-8140
Fabrikantnummer422C-55ML
FabrikantMG Chemicals
15,51 €
Each
Aantal stuks
55 ml - - - Clear - - -
RS-stocknr. 918-9121
FabrikantnummerWBP05L
FabrikantElectrolube
232,33 €
Each
Aantal stuks
5 L Bottle Dipping, Electronic Circuit, Spraying Water Based White +125°C -60°C WBP
RS-stocknr. 665-4836
FabrikantnummerCW3300B
FabrikantChemtonics
19,98 €
Each
Aantal stuks
4.9 g Pen Electronics, PCBs Acrylic Resin Blue +125°C -55°C CW3300
RS-stocknr. 186-0602
FabrikantnummerCTSR-12E
FabrikantChemtronics
22,86 €
Each
Aantal stuks
400 ml Aerosol Aerospace, Data Communications, Instrumentation Silicone Straw +200°C -65°C Konform
RS-stocknr. 192-2025
FabrikantnummerCW3300White
FabrikantChemtronics
21,93 €
Each
Aantal stuks
4.9 g Pen Conformal Coating, Insulates and Protects Conductive Pen Traces, Prevents Shorting and Arcing, Repairs Permanent Solder Mask Acrylic White +125°C -55°C CircuitWorks
RS-stocknr. 409-0956
FabrikantnummerAPL400H
FabrikantElectrolube
17,95 €
Each
Aantal stuks
400 ml Aerosol PCBs Acrylic Resin Transparent +125°C -55°C APL
RS-stocknr. 192-7559
Fabrikantnummer419E-1L
FabrikantMG Chemical
49,52 €
Each
Aantal stuks
945 ml Tin PCBs Acrylic Clear +130°C -65°C -
RS-stocknr. 152-6883
FabrikantnummerERDCEO.75L
FabrikantElectrolube
141,63 €
Each
Aantal stuks
750 ml Tin Protect Printed Circuit Boards Silicone Clear +200°C -70°C DCE SCC3 Elastomer Gel