What scenarios are different Teflon coating thicknesses suitable for?

The thickness of Teflon coating needs to be selected according to the needs of specific application scenarios. The following is the application of Teflon coatings of different thicknesses in various scenarios:
Thin coating (usually 20-50 microns)
Electronic and electrical fields: such as electronic components, circuit boards, etc., require coatings with good insulation properties and small thickness to avoid affecting the performance and dimensional accuracy of electronic components. Thinner Teflon coatings can provide reliable insulation protection while maintaining the miniaturization and high performance of electronic equipment.
Optical instruments: For some optical components such as optical lenses and prisms, in order not to affect their optical properties, thin Teflon coatings will be selected to provide anti-fouling, waterproof and other functions to ensure that light transmittance and imaging quality are not affected.
Precision mechanical parts: For tiny parts in watch movements and precision transmission parts in aircraft engines, thin coatings can not only reduce the impact on part size and accuracy, but also provide certain lubrication and anti-corrosion effects to ensure the high-precision operation of mechanical parts.
Medium-thick coating (about 50-150 microns)
Kitchenware industry: Common non-stick cookware generally uses medium-thick Teflon coatings. This thickness can not only ensure good non-stick performance, making food less likely to stick to the pan, easy to cook and clean, but also have a certain wear resistance, and can withstand operations such as stir-frying and washing in daily use without being easily damaged.
Automotive parts: For example, parts such as pistons and valves of automobile engines, coated with medium-thick Teflon coatings can reduce the friction coefficient between parts and improve fuel efficiency. At the same time, it can also play a certain role in corrosion resistance and high temperature resistance, and extend the service life of parts.
Industrial molds: On the surfaces of some industrial molds such as plastic molding molds and die-casting molds, medium-thick Teflon coatings can help demolding, reduce adhesion between molds and molding materials, improve production efficiency and product quality, and also help protect the mold surface and reduce wear.
Thicker coating (above 150 microns)
Chemical equipment: Chemical equipment such as containers and pipelines used to store and transport corrosive chemicals such as strong acids and alkalis usually require thicker Teflon coatings to provide reliable anti-corrosion protection. Thick coatings can effectively prevent chemicals from eroding the substrate, ensure the safety and stability of the equipment, and extend the service life of the equipment.
Marine engineering: such as the hull of ships and the steel structure of offshore drilling platforms, which are facing the corrosion and scouring of seawater, thick Teflon coating can provide excellent protection, prevent seawater from corroding the metal substrate, and improve the durability of marine engineering facilities.
Mechanical equipment in harsh environments: Mechanical equipment used in some harsh environments such as mines and construction, such as excavator buckets and concrete mixer blades, need to withstand the dual effects of high wear and strong corrosion. Thick Teflon coating can enhance the wear resistance and corrosion resistance of these parts, reduce the frequency of maintenance and replacement, and improve the working efficiency and reliability of equipment.