What causes small holes in the coating? Key points of pinhole defects.
Understanding the mechanism of occurrence can prevent recurrence.
Are you troubled by pinholes that create small holes in the painted surface? Even if they appear minor, they can often lead to quality issues. Many of the causes are due to solvents in the paint evaporating rapidly or gases emanating from the substrate. Particularly, thick applications and deviations in drying conditions can easily trap air bubbles inside. Additionally, the frequency of occurrence can vary significantly depending on the type of material and the state of pretreatment. As a countermeasure, managing film thickness and optimizing the drying process are crucial. So, why do pinholes occur sometimes even under the same conditions? Paint defects cannot be improved with a vague approach. Accurately identifying the cause is the first step in preventing recurrence. Our company has published materials summarizing case studies on improving paint defects, including pinholes. Please take a moment to review them to avoid repeating the same issues.
- Company：永和工芸
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