What is the cause of the lack of thinner? The situation in the Middle East and the shortage of solvents.
The desired amount of thinner has not arrived. I will explain the chain from crude oil to solvents and the measures that can be taken on-site.
The thinner is not arriving in the desired quantity. Prices have also risen. The cause lies not at the site, but upstream in the raw materials. ────────────── ■ Cause of Occurrence The raw material for thinner is naphtha, which is derived from crude oil. Due to the worsening situation in the Middle East, crude oil prices have surged, leading to a reduction in the supply of naphtha. ■ Truth Since spring 2026, major paint manufacturers have raised thinner prices by 50 to 75 percent. At the same time, order restrictions were imposed, with some periods limiting orders to one can per company. Although distribution has been gradually returning since July, prices have not reverted to their original levels. ■ Improvement Measures We will review the dilution ratio for each process and quantify the necessary amounts. A partial switch to powder coating, which does not use solvents, is also a realistic option. Please utilize the materials for considering the switch to powder coating.
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Construction method: solvent-based baked painting, powder coating / Powder film thickness: 40-80 microns / Solvent film thickness: 20-40 microns / Baking temperature: 140-200 degrees / Switching consideration: confirmation of compatibility in shape, film thickness, and color.
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Consideration of switching from solvent-based baking paint to powder coating, reduction of solvent usage, and maintenance of the painting process under supply constraints. We have both powder coating and solvent painting.
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We are not just a "subcontracted painting factory." Established in 1958, our company has a foundation of painting technology and also specializes in chemical treatment, stripping, and cleaning, functioning as the "external surface treatment department" in your organizational chart. Based on our philosophy of "preparation is eight-tenths of the work," we emphasize participation from the "upstream process" before the drawings are finalized. We conduct test painting on a wide range of metals and difficult materials, and we produce the entire process from assembly, packaging, to delivery, thereby reducing your management workload. Additionally, by being able to perform zinc phosphate treatment in-house, we achieve stable painting quality. Furthermore, our micro-heating stripping technology, which does not use chemicals, maintains the electrical state of the "jigs (hangers)" that influence painting quality. Our approach of "pre-treatment determines painting quality" ensures the stability of the paint film during mass production. Rather than simply "applying specified standards," we work backwards to achieve optimal painting specifications and prevent scratches during transportation, sparing no effort in thorough discussions from the outset. This diligent preparation is the shortest path to preventing rework and minimizing total costs. From the development stage, please utilize the expertise of our specialists as part of your production line.
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