What Is Conformal Coating? 《electrolube》

2019-2-12 11:28| 发布者: admin| 查看: 473| 评论: 0|来自: electrolube.com

摘要: What Is Conformal Coating?A conformal coating is a thin polymeric film applied to a printed circuit board (PCB) in order to protect the board and its components from the environment and corrosion. The ...

What Is Conformal Coating?

A conformal coating is a thin polymeric film applied to a printed circuit board (PCB) in order to protect the board and its components from the environment and corrosion. The film is typically applied at 25-250μm and ‘conforms’ to the shape of the board and its components, covering and protecting solder joints, the leads of electronic components, exposed traces, and other metallised areas from corrosion, ultimately extending the working life of the PCB.

Why do I need a Conformal Coating?

  • Corrosion of an un-coated circuit board

    Corrosion of an un-coated circuit board

A newly manufactured printed circuit board will generally perform well, but performance can quickly deteriorate due to external factors in its operating environment.

Conformal coatings can be used in a wide range of environments to protect printed circuit boards from moisture, salt spray, chemicals and temperature extremes in order to prevent such things as corrosion, mould growth and electrical failures. The protection provided by conformal coatings allows for higher voltage gradients and closer track spacing, in turn enabling designers to meet the demands of miniaturisation and reliability.

Which industry requires Conformal Coatings?

The use of conformal coatings is particularly important in automotive, military, aerospace, marine, lighting, industrial and green energy applications. However due to the rapid expansion of the electronics industry, conformal coatings are also finding their way into the domestic and mobile electronics industries, providing the necessary combination of high performance and reliability within a vast array of electronic devices.

Conformal Coating Selection and Best Practice

Electrolube FSC brush coating

Electrolube have excellent technical staff who are happy to help guide you through the selection process, it is one of the things which sets us apart from our competitors, from first contact to final application our technical team will give you any guidance and support you may require.

We have also put together a basic guide below, and a?product selector?in order to help you select the correct coating for the job.

In order to achieve the best performance, it is imperative that the most suitable coating and application method is chosen for the job. The main questions which need to be addressed during this selection period are:

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