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J****mes
What materials does PCB have?
1492 1 Mar 12.2019, 09:30:01
As you can see,so what is the different of them?

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M****jes

Mar 12.2019, 10:24:27

Considering the substrate, it can be divided into the following categories: paper substrate, glass fiber cloth substrate, synthetic fiber cloth substrate, non-woven fabric substrate, composite substrate. . . 
Copper clad laminates are commonly used in the following: 
FR-1 / phenolic cotton paper, this substrate is commonly known as electric board (more economical than FR-2). 
FR-2 / phenolic cotton paper, 
FR-3 cotton paper (Cotton paper), epoxy resin. 

FR-4 glass cloth (Woven glass), epoxy resin. (PCBGOGO use them and they are PCB so good)

FR-5 glass cloth, epoxy resin. 
FR-6 coated glass, polyester. 
G ≤ 10 glass cloth, epoxy resin. 
CEM-1 cotton paper, epoxy resin (flame retardant). 
CEM-2 cotton paper, epoxy resin (non-flame retardant). 
CEM-3 glass cloth, epoxy resin. 
CEM-4 glass cloth, epoxy resin. 
CEM-5 glass cloth, polyester. 
AIN / aluminum nitride / aluminum nitride. 
SIC / sic

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