What is the reason for not being able to use the same paint as before? Consolidation of brands.
The specified paint has been discontinued, and a successor product has been recommended. I will explain the procedure to avoid color differences during the transition.
When I specified the same paint as before, I was told it was no longer being produced. The number of brands is decreasing. ────────────── ■Cause of Occurrence Since the supply disruption in spring 2026, paint manufacturers have been narrowing down the varieties they produce. Brands that are not bestsellers are being consolidated or discontinued, and a switch to successor products is being requested. ■Truth Even if the successor product has the same color number, the resin and pigment formulations have changed. Due to differences in gloss and hiding power, if applied directly, there will be a color difference compared to the old product. Some brands have extended their delivery time from the usual 1-2 days to 1-2 weeks. ■Improvement Measures For the approved drawings, we will specify the color number and standards instead of the brand name. During the transition, we will confirm color differences and adhesion using test paint boards before entering mass production. Eiwa Kogei is responding to the selection of alternative brands and the submission of test paint boards.
basic information
Construction method: solvent-based baking paint, powder coating / Alternative proposal: selection of equivalent brands, management by color number and specifications / Verification method: submission of test paint samples, color difference measurement, adhesion test / Film thickness: 20-40 microns / Corresponding lot: from 1 piece to mass production
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Applications/Examples of results
Switching to successor products from discontinued models, color matching with existing parts painted in the old model, selection of alternative paints, and submission of test paint samples. We support color matching for repair parts and increased production.
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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.