A professional introduces the advantages and disadvantages of reprocessing the non-stick coating and Teflon coating of household frying pans.
When using a household frying pan for a long time, the fluoropolymer coating may peel off or wear down, leading to sticking issues. The fluoropolymer coating can be removed and reprocessed. However, household frying pans are not designed with reprocessing in mind, which brings both advantages and disadvantages. ■ Advantages - The coating of a beloved cooking tool is renewed, restoring the non-stick properties and ease of maintenance similar to that of a new product. - There is no need to buy new equipment, and disposing of the old frying pan is not a problem. ■ Disadvantages - Reprocessing requires high-temperature heat treatment (over 400°C), necessitating the removal of handles made of resin or plastic. (If they cannot be removed, reprocessing is generally not possible.) - A frying pan that has been used for a long time may have corrosion on the metal parts, and even if the coating is reprocessed, it may not return to a like-new condition. - Especially in cases where the metal thickness is thin, reprocessing may cause distortion and deformation. - There may be adverse effects on the exterior, resulting in a poor appearance. As such, reprocessing has many disadvantages as well as advantages, so caution is necessary when it comes to household cooking utensils.
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Reprocessing places a greater burden on the substrate compared to the initial processing, and consultation is necessary depending on the application. 【Overview of the Processing Steps】 ■Receiving the Substrate ○ Inspection of the substrate will be conducted. ■Preheating ○ The substrate is heated in a furnace to thermally decompose oils, dirt, and fluororesin. ■Surface Preparation ・Blasting ○ The processing surface is blasted to remove rust and dirt, and to create an appropriately rough surface. ■Primer Coating ○ A primer that enhances adhesion between the substrate and fluororesin is applied. ■Baking ○ The primer is cured. ■Coating Powder Coating ○ Fluororesin powder is applied using a special coating machine. Enamel Coating ○ Fluororesin enamel is applied either by machine or manually. ■Baking ○ The fluororesin is heated and melted to form a coating. ■Inspection ○ After processing is complete, an inspection is conducted to ensure that the work meets specifications and agreements. For inquiries regarding reprocessing of fluororesin coatings, please contact Yoshida SKT.
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Our company specializes in the reprocessing of fluororesin coatings, primarily for industrial products. Please contact us for more details.
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To maximize the performance of manufacturing equipment and machine parts, Yoshida SKT derives the "optimal solution" tailored to our customers from hundreds of surface treatment technologies. - Decreased productivity due to adhesive troubles - Instability in product quality due to friction - Early deterioration of equipment due to corrosion We respond to these challenges in the manufacturing field with our extensive track record and reliable technical expertise. In 1963, we began fluoropolymer processing. In 1968, we signed a licensing agreement with DuPont (now Chemours), supporting manufacturing innovations for over 2,000 customers across various industries, from automotive to medical and aerospace. Furthermore, in 2024, we are focusing on the development of next-generation products, such as PFAS-free coatings, contributing to the advancement of sustainable manufacturing. With a three-base system in Nagoya, Tokyo, and Yamaguchi, we flexibly respond to both mass production and custom orders. Our consistent quality management system ensures that we deliver reliable quality. For solving challenges in the manufacturing field, trust the surface treatment experts at Yoshida SKT.