Alfa Chemistry Fluoropolymers provides customers with FEP sheets and can provide customized cutting and cutting to size according to customer needs.
- Chemically inert to many industrial chemicals and solvents
- Temperature range: -400°F to +392°F
- Good electrical performance
- Low coefficient of friction
- Resistance to stress cracking
- Outdoor weather resistance
- UV resistance
General Application Scenarios of FEP Sheet
- Usually used when chemical resistance, high purity and low stiffness are required
- Fluid treatment and chemical treatment equipment
- Pump casing and pipeline lining
- Semiconductor wet stage equipment
- Food processing and packaging equipment
- Medical components
- Conductive and optically transparent flexible substrates have a wide range of applications in solar energy, space, flexible displays and other fields. Generally, most transparent materials are insulators in nature, but through surface modification and the addition of additional conductive coatings, the properties of these materials can be changed to make them both conductive and optically transparent. FEP transparent sheet has high light transmittance, high infrared emissivity (ε), good heat insulation and mechanical properties. Therefore, through a pulsed DC reactive magnetron sputtering system, very thin transparent indium tin oxide (ITO) is deposited on a flexible fluorinated ethylene propylene (FEP) substrate to release electrostatic charges. Studies have shown that the passive thermal control system has high infrared emissivity, moderate sheet resistance, high solar transmittance and low haze, indicating that the ITO film on the FEP substrate is suitable as a flexible optical solar reflector for space applications. In addition, this work may be used in future flexible electronic devices, including organic photovoltaics.
Figure 1. Schematic diagram of FEP-based flexible optical solar reflector 
- The extreme water resistance of super-hydrophobic surfaces can provide solutions for various applications, such as anti-icing in refrigeration systems, construction and aerospace industries, anti-fouling and anti-corrosion in marine applications, and self-cleaning of solar cells. Induces the formation of superhydrophobic surfaces by creating micro/nano textures on inherently hydrophobic materials. For example, by laser microtexturing the aluminum main substrate, and then hot embossing on the FEP plate to produce a super-hydrophobic sheet with low ice adhesion strength, the contact angle and roll-off angle are 160° and 4°, respectively. Potential applications of superhydrophobic sheets include evaporator icing control in refrigeration systems and low-ice adhesion surfaces in building structures.
Figure 2. SEM images of embossed super-hydrophobic thin FEP sheets under different magnifications 
- K.P. Sibin, Niharika Swain, Prasanta Chowdhury, Arjun Dey, N. Sridhara, H.D. Shashikala, Anand Kumar Sharma, Harish C.Barshilia, Solar Energy Materials and Solar Cells 145 (2016) 314-322.
- Yong Han Yeong, Mool C. Gupta, Surface & Coatings Technology 313 (2017) 17–23.
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