F4BMX220 DK2.20 ptfe copper clad laminate sheet for circuit PCB board(F4BMX220)ptfe (polytetrafluoroethylene) ccl sheet

Types

Double side,  Original side,  Single side

Dimensions (mm)

11.8''x9.8''(300x250mm),  13.8''x15''(350x380mm), 17.3''x21.7''(440x550mm), 

18''x24''(460x610mm),  19.7''x19.7''(500x500mm),  19.7''x23.6''(500x600mm), 

33.1''x33.1''(840x840mm),  24''x36''(610x914mm)

Special dimension can be customized according to customer’s requirement.

Dielectric Constant

(@10GHZ)

2.20±2%

Dielectric layer Thickness and Tolerance(mm)

0.254±0.025,  0.508±0.05,  0.762±0.05,  1.016±0.05,  1.524±0.05,  2.0±0.075, 3.0±0.09,  4.0±0.1,  5.0±0.1,  6.0±0.12,  8.0±0.15,  10.0±0.18,  12.0±0.2

Thickness≥5.0mm,dimension is not more than20''x24''(500x600mm).

Copper thickness

(OZ)

Dissipation factor

(tgδ)

Test condition:  10GHz

≤1×10^-3

Surface Resistivity

(M·Ω)

≥2×10⁵

Volume Resistivity

(MΩ.cm)

≥8×10⁶

Copper peel strength

(1oz copper) 

Condition: normal state

≥18N/cm

Coefficient of thermal expansion(ppm/℃)

(Typical)

X  Axis

Y  Axis

Z  Axis

Condition: -55℃ to 288℃

<24

<34

<235