Prototyping of Electronic Circuit Boards before Conformal Coating – Pens

This week we focus on testing components on a board before the board is built and conformally coated with our range of MG Chemicals Prototyping Pens.

Our range of Prototyping Pens include the Etch Resist Pen which is ideally used to touch up etch resist circuits or PCB boards as well as on Positive Film. The Etch Resist Pen draws a line 1/32” wide and dries almost instantaneously. The etch resist pen can be removed easily with Thinner Cleaner. Other products include our range of Green Overcoat Pens which are used to protect PCB boards against moisture, thermal shock or corrosion. Green Overcoat pens are also ideal at protection and insulating electrical and electronic components and assemblies including generators, motors, relays etc.

If you would like to know more about our range of Prototyping or any other material that we offer then contact us on 01226 249019 or via

SCH Technologies provide a wide variety of products in association with MG Chemicals. As an innovative company in the electronics industry, SCH Technologies strive to meet the customer’s needs and are focusing on providing you, as a customer, with reviews & information regarding the products that we offer.



About Dr Lee Hitchens

Dr Hitchens has been working in the electronics industry and the area of conformal coatings for over 25 years in various areas including sales and technical support. He has also been training people for almost the same amount of time in all areas of conformal coating whether that is materials & equipment selection, process development or troubleshooting to help them solve their particular problem. Recently, he decided that the industry needed a specific place where all of the useful knowledge on conformal coatings could be collated for users to find easily and use in their own production process. So, Nexus was born and he began the Nexus eBook project.

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