• Teflon F4BM-255 Microwave PCB Board
  • Teflon F4BM-255 Microwave PCB Board
  • Teflon F4BM-255 Microwave PCB Board
  • Teflon F4BM-255 Microwave PCB Board
  • Teflon F4BM-255 Microwave PCB Board
  • Teflon F4BM-255 Microwave PCB Board

Teflon F4BM-255 Microwave PCB Board

Product Model: Teflon Microwave PCB
Material: WangLin F4BM-255
Layer Count: 2 Layers
Dielectric Constant (DK): 2.55
Dielectric Thickness: 1.0mm
Finished Thickness: 1.5mm
Thermal Conductivity: 0.3~0.5 W/m·K
Flammability Rating: UL 94-V0
Copper Thickness: 1oz
Surface Treatment: Immersion Gold
Application: Microwave antenna PCB
  • Teflon F4BM-255 Microwave PCB Board
  • Teflon F4BM-255 Microwave PCB Board
  • Teflon F4BM-255 Microwave PCB Board
  • Description

  • Data Sheet

1. Real Project Display of Teflon F4BM-255 Microwave PCB Board

In practical engineering projects, Teflon F4BM-255 microwave PCB boards demonstrate excellent comprehensive performance, which is specifically reflected in their electrical parameters: the dielectric constant (DK) of F4BM-255 has a wider adjustable range, the tangential value of the dielectric loss (DF) angle is lower, the resistance value is increased, and the overall performance is more stable. This performance advantage makes it an ideal choice for high-frequency microwave applications that require stable signal transmission and reliable operation, and it has been widely verified in actual project applications.

2. RF/Microwave PCB Application Overview

Radio frequency (RF) printed circuit boards (PCBs) have become an increasingly indispensable technology in the PCB fabrication industry, with their application scope expanding rapidly alongside the development of new electronic technologies. They are classified based on operating frequency:
  • RF PCBs: Operate at frequencies above 100 MHz, suitable for a variety of high-frequency electronic devices and communication systems.
  • Microwave PCBs: Operate at frequencies above 2 GHz, mainly used in high-frequency communication, microwave equipment, and other scenarios that require high signal integrity.
RF PCBs are widely applied in various fields, including remote controls (wireless controls), security systems, smartphones, sensors, and other electronic products. The continuous advancement of new technologies such as 5G, IoT, and microwave communication has further increased the demand for RF applications, which in turn imposes higher requirements on PCB manufacturing quality standards and material selection.
Understanding the properties of various RF materials is crucial for PCB manufacturing. Choosing the right RF material is perhaps the most critical decision in the production process of RF PCBs, as it directly determines the performance, reliability, and cost-effectiveness of the final product.

3. Overview of Teflon Material

Teflon, commonly known as "non-stick coating" or "easy-to-clean wok material", is a synthetic polymer material in which all hydrogen atoms in polyethylene are replaced by fluorine atoms. Essentially, it is polytetrafluoroethylene (PTFE), a polymer formed by the polymerization of tetrafluoroethylene monomers. This unique molecular structure, with strong C-F bonds, endows Teflon with excellent performance: it is resistant to acids, alkalis, and various organic solvents, and is almost insoluble in all solvents. At the same time, PTFE has high temperature resistance, and its friction coefficient is very low, making it suitable for lubrication purposes. These characteristics also make it an ideal coating for easy-to-clean woks and water pipes.

4. Wide Applications of Teflon

Benefiting from its excellent comprehensive properties, Teflon is widely used in various industries, with specific applications as follows:
  1. Electrical industry: It is used as an insulating layer for power and signal lines in aerospace, aviation, electronics, instrumentation, and computer industries. In addition, its corrosion-resistant and wear-resistant properties make it suitable for manufacturing films, tube sheets, bearings, gaskets, valves, chemical pipelines, pipe fittings, and equipment container linings.
  2. Multiple high-end fields: It is used in electrical, chemical, aviation, machinery and other fields to replace quartz glassware. In atomic energy, medicine, semiconductor and other industries, it is used for ultra-pure chemical analysis and storage of various acids, alkalis, and organic solvents. It can also be made into high-insulation electrical parts, high-frequency wire and cable sheathing, corrosion-resistant chemical utensils, cold-resistant oil pipelines, artificial organs, etc., and can be used as additives for plastics, rubber, coatings, inks, lubricants, greases, etc.
  3. Lubrication and anti-corrosion fields: Teflon is resistant to high temperature and corrosion, has excellent electrical insulation, aging resistance, low water absorption, and excellent self-lubricating performance. It is a general-purpose lubricating powder suitable for various media, which can be quickly applied to form a dry film and used as a substitute for graphite, molybdenum and other inorganic lubricants. It is also suitable as a release agent for thermoplastic and thermosetting polymers with excellent load-bearing capacity, and is widely used in the elastomer and rubber industry as well as anti-corrosion scenarios.
  4. Adhesive improvement: It is used as a filler for epoxy resin to improve the wear resistance, heat resistance and corrosion resistance of epoxy adhesives.
  5. Pressed powder processing: It is mainly used as a binder and filler for pressed powders.

5. Teflon F4BM-255 Technical Specifications

For more detailed technical parameters, performance data, and application guidelines of Teflon F4BM-255, please click: Radio frequency PCB material F4BM-1/2 Technical Specifications. It is worth noting that F4BM-255 is a type of Teflon PCB material made by laminating glass woven cloth, adhesive film, Teflon resin and polytetrafluoroethylene film through scientific formulation and strict technological processes, with a dielectric constant of 2.55±0.05 and a dielectric loss of 0.0013 at 10GHz.
Model: Teflon Microwave PCB
Material: WangLin F4BM-255
Layer: 2L
DK : 2.55
Finished Thickness: 1.5mm
Copper   Thickness: 1OZ
Dielectric Thickness: 1.0mm
Thermal Conductivity: 0.3~0.5w/m.k
Flammability: UL 94-V-0
Surface Treatment: Immersion Gold
Application: Microwave Antenna PCB