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Teflon woven glass fabric copper-clad laminates with high permittivity(F4BMX-1/2)
1.Description:
F4BMX-1/2 is laminated by laying up of imported glass cloth with Teflon resin and Polytetrafluoroethylene film, according to the scientific formulation and strict technology process. This product takes some advantages over F4B series in the electrical performance(wider range of dielectric constant,lower dielectric loss angle tangent,increased resistance,and more stability of performance).Compared with the F4BM,the consistency of the laminate various properties can be insured through using the imported woven glass fabric.

2.Specifications:
Types | Double side, Original side,Single side |
Dimensions (mm) | 12''x10''(300×250mm), 14''x15''(350×380mm), 17''x22''(440x550mm), 18''x24''(460x610mm), 20''x20''(500x500mm), 20''x24''(500x600mm), 33''x33''(840x840mm),24''x36''(610x914mm),33''x47''(840X1200mm), 40''x59''(1000x1500mm),40''x71''(1000x1800mm) |
Special dimension can be customized according to customer’s requirement. | |
DK | 2.65 |
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 than 20''x24''(500x600mm). | |
| For special dimensions,customized lamination is available. | |
Copper thickness(OZ) | 1/2 or 1 or 2 (electrodeposited copper foil ) |
Dissipation factor @ 10GHz | Less than or equal to 0.0014 |
| Copper peel strength(1oz copper) | 18N/cm |
Coefficient of thermal expansion(ppm/℃) X Axis Y Axis Z Axis |
Condition: -55℃ to 288℃ 16 20 168 |

3.Technical index:
3.1 Mechanical strength & Chemical property

3.2 Electrical property

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