Conformal Coatings

A conformal coating is a thin, protective coating for PCBs and other electronic components from environments that contain moisture and/or chemical contaminants.The coating can be removed easily with most common solvents.Why use a Conformal Coating?A conformal coating conforms to the shape of the board and its components.Performance of PCBs can deteriorate because of moisture, sea salt, chemicals and temperature extremes using a conformal coating helps extend their working life.Use the coating to protect PCBs to allow for higher voltage gradients and closer track spacing.How to use Conformal CoatingsBrushing the components with the coating is suitable for low volume applications and for finishing and repair.Spraying on the coating can be done by using an aerosol or dedicated spray booth. These methods are suitable for low and medium volume processing. They are more cost effective, and gives excellent tip coverage to the components.Dipping the components into the coating is done for high volume applications but gets everywhere. Masking must be perfect to protect the board and prevent leakage when using this method.Types of Conformal CoatingsSilicone coatings give great protection in a wide range of temperatures, have good chemical resistance, flexibility and are resistant to sea salt.Acrylic coatings are easy to use and remove, provide fair elasticity, are abrasion resistant and have a high dielectric strength.Polyurethane coatings have excellent moisture and chemical resistance properties and are abrasion resistant.Epoxy coatings give good humidity resistance, high abrasion and chemical resistanceWhere to use Conformal CoatingsConformal Coatings are used in many different types of applications where high performance and reliability are needed.These include military, car, marine and green energy to domestic and mobile electronic industries.

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Description Price Package Size Package Type Application Material Colour Maximum Operating Temperature Minimum Operating Temperature Trade Name
RS Stock No. 101-6343
Mfr. Part No.DCA200H
HK$156.54
Each
units
200 ml Aerosol PCBs Silicone Resin Transparent +200°C -70°C DCA
RS Stock No. 768-2312
Mfr. Part No.PUC400
HK$133.36
Each
units
400 ml Aerosol Electronics PUR Transparent Amber +130°C -55°C PUC
RS Stock No. 918-9121
Mfr. Part No.WBP05L
HK$1,929.94
Each
units
5 L - Dipping, Electronic Circuit, Spraying - White +125°C -60°C WBP
RS Stock No. 152-6883
Mfr. Part No.ERDCEO.75L
HK$1,148.58
Each
units
750 ml Can Protect Printed Circuit Boards Silicone Clear +200°C -70°C DCE SCC3 Elastomer Gel
RS Stock No. 321-7324
Mfr. Part No.APL15ML
HK$44.73
Each
units
15 ml Can PCBs Acrylic Resin Transparent +125°C -55°C APL
New
RS Stock No. 193-3487
Mfr. Part No.CG6035SL
HK$154.38
Each
units
35 ml Syringe - - - +130°C -40°C -