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What is FR4?
FR4 is the name of a type of epoxy glazing material. fr stands for flame retardant. 4 refers to the factors that differentiate it from other materials. FR4 means two things.
The material.
As a construction material, it refers to epoxy laminates reinforced with glass fibers. Used to make FR4 boards.
A box build, known as systems integration, can be anything from a simple printed circuit board assembly housed in a small enclosure, to a cabinet housing a complex electromechanical system. Box build assembly involves everything including design, production and construction. GreensTone has more than 10 years experience in box build assembly with small enclosures like 3P meters, EV charges, smart plugs and so on. Also has experience in small cabinet housing like salt water chlorinator, PH controller and salty tester in swimming pool.