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Description:
copper clad laminate
1.High quality circuit board , quick turn
2.Strong engineering support
3. UL, ISO, CE copper cladlaminate
1. FR-4 Copperclad laminate/CCL consist of E-glass fabric, impregnated with epoxyresin and clad with electrolytic foil. It has excellent electric,mechanical and flamer retardant properties and is widely used forPWB with printed circuit on one or both side in microwave ovens,computers, communication apparatus as well as other high gradeelectronic instruments.
NO. | Indexname | TestMethod GB/T4722-92 in thechapter | Index CEPGC-32F (FR-4) | 1 | Pull-offStrength, N is not less than | 15 | 60 | 2 | Peelstrength, N / mm is not less than
After welding of 20s ≥ 35μm copperfoil
18μm copper foil
After drying at 125 °C≥ 35μm copper foil
18μm copper foil
After exposuringto1.1.1-trichloroethane solvents ≥ 35μm copper foil
After handlingthe stimulated electroplatingconditions ≥ 35μm copperplating
18μmcopper foil
At 125°C ≥35μm copper
18μmcopper foil
At 260 °C ≥ 35μm copper
18μmcopper foil | 7 | 10000 50000 1000 | 3 | after ThermalShock of 10s, the blistering test is | 17 | Non-hierarchical,non-foaming | 4 | Weldability, s
Wetting test
35μm copper foil
Thickness 0.5mm to 1.6mm
More than 1.6mm to 6.4mm thickness
70μm copper foil
Semi-wetting test | 20 | 2 3 310 5 | 5 | Bendingstrength, MPa not less than
Thickness 1.0mm and over | 25 | 300 | 6 | Flammability,Class
Vertical Method | 25 | FV0 | 7 | Waterabsorption, mg
Thickness 0.5mm
0.8mm
1.0mm
1.2mm
1.5mm
1.6mm
2.0mm | 27 | 20 20 20 20 20 20 21 |
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The crookedvalue of Foil Clad Laminate is tested accoring to GB/T4722in Chapter 14. When coverting Foil Clad Laminateinto L= 1000mm, thevalue of d and d’ can not exceed the rules of thefollowing table. |
Nominalthickness | crookedvalue d | Distortion d’ | Single-sidedFoil Clad Laminate | Double-sidedFoil Clad Laminate | Single-sidedFoil Clad Laminate | Double-sidedFoil Clad Laminate | ≤35μm | >35μm | ≤70μm | ≤70μm | 0.8 to1.2
upper 1.2 to 1.6 upper 1.6to 2.2 upper 3.2 to6.4 | 27 18 9 9 | 37 30 16 16 | 12 12 8 8 | 24 20 12 12 | 12 12 8 8 |
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