The comparison of two basic PCB material: FR4 and CEM3

The comparison of two basic PCB material: FR4 and CEM3
HTD PCB manufacturing experts will from 8 points to discuss.


1,Material
FR4:  glass fiber material

CEM-3:  composite epoxy material

2,Price
FR4: cheap

CEM-3: Lower cost than FR4

3,Flame-retarded rating
FR4:  UV94V-0, UV94V-1

CEM-3:  UV94V-0, UV94V-1

4,Strength
FR4:  rigid

CEM-3:  rigid

5,Thickness
FR4:  Min .05mm,  Max 3.2mm

CEM-3:  Min .6mm,  Max 1.6mm



6,Application
FR4:  Mobile Communication, Digital TV, Satellite, radar etc.

CEM-3:  Different Fillers Create Different Functions, like White or Black Board for LED Industry, High CTI Board for Household Electrical Appliance Industry.

7,Main composition
FR4:  Glass Fiber Paper + Resin+Copper + hardener

CEM-3:  Glass Paper +Glass Cloth +Fillers

8,Property
FR4: High Strength, Good Thermal Stability, Good Dielectric Properties, Through Hole Metallization, most widely used in the world

CEM-3:  Mechanical Property, Easy to Punch