PTFE is hydrophobic: neither water nor water-containing substances wet PTFE, as fluorocarbons exhibit only small London dispersion forces due to the low electric polarizability of fluorine.

Other application-specific characteristics that may be required for your application can include filtration efficiency, moisture vapor transmission rate, Gurley number, % reflectivity, and …

The gurley number expresses the time required for a specific amount of air to pass through a specific area of separator under a specific pressure. The standard test method is described in …

Sep 4, 2024 · Its chemical formula is (C2F4)n. It has excellent heat and cold resistance and can be used for a long time at -180 to 260°C. This material is resistant to acids, alkalis, and …

Dec 1, 2023 · The hydrophobic or hydrophilic nature of the material can be determined by analysis of its water contact angle. In general terms, the material’s surface is categorized into …

Apr 7, 2025 · The hydrophobic nature of PTFE prevents water and aqueous solutions from wetting its surface, making it useful in applications where water resistance is needed, such as …

Nov 19, 2024 · PTFE exhibits a contact angle of approximately 110 degrees, making it highly hydrophobic. The hydrophobic nature of PTFE arises from its molecular structure. The carbon …

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PTFE (Teflon) is hydrophobic, meaning it easily repels and shreds water AND it is also oleophobic and shreds oil in the same way it repels water. Both types of these liquids has difficulty in …

Cookware: Its low friction and non-stick properties have made PTFE famous under the brand name “Teflon”, used in non-stick frying pans and other cookware. Although PTFE has been …