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What are the grades of FR4 copper clad laminates?
Published by：2022/6/24 Categories:Company news Viewed by: 1274 times
FR4 copper clad laminate is divided into the following levels:
First: fr-4a1 copper clad laminate
This grade is mainly used in military, communication, computer, digital circuit, industrial instrument, automobile circuit and other electronic products. The quality of this series of products has completely reached the world-class level, with the highest grade and the best performance.
Second: FR-4 A2 copper clad laminate
This grade is mainly used for ordinary computers, instruments, advanced household appliances and general electronic products. This series of CCL is widely used, and all performance indexes can meet the needs of general industrial electronic products. Good price performance ratio. Can enable customers to effectively improve price competitiveness.
Third: FR-4 A3 copper clad laminate
This grade of CCL is a FR-4 product specially developed and produced by the company for the home appliance industry, computer peripheral products and general electronic products (such as toys, calculators, game consoles, etc.). It is characterized by competitive price on the premise that the performance meets the requirements.
Fourth: fr-4a4 copper clad laminate
This grade of plate is the low-end material of FR-4 copper clad laminate. However, all performance indicators can still meet the needs of ordinary household appliances, computers and general electronic products. Their prices are the most competitive, and the performance price ratio is also quite excellent.
Fifth: FR-4 class B copper clad laminate
This grade of plate is relatively poor and has poor quality stability. It is not suitable for circuit board products with large area. It is generally suitable for products with a size of 100mmx200mm. It is the cheapest and should be used carefully. 
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