In the production and use of coatings, inks and related products, the addition of driers often triggers stubborn foam. These foams not only affect the filling efficiency of production tanks, reducing capacity, but also form defects on the final coating surface, such as craters, fish eyes or unevenness, seriously affecting product appearance and performance. Conventional defoaming methods often have short-lived effects or poor compatibility and cannot solve the problem at its root.
Chemi Tech focuses on this niche field and analyzes in depth the core mechanism of foam generation. We found that the active ingredients in driers change the surface tension of the system and may interact with other additives, thereby stabilizing the foam. To address this pain point, we developed a series of high-efficiency defoamers dedicated to driers. The solution is based on a three-step strategy: first, rapidly penetrate and spread to destroy the liquid film of existing foam; second, its special structure is highly compatible with the system and can continuously suppress foam regeneration; and finally, the product has excellent stability, with no performance decay during storage and application.
The specific application steps are clear and simple: first, based on your system foundation (such as resin type and solvent polarity), select one or several samples recommended by Chemi Tech; second, add during the later stage of grinding and dispersion or the paint-adjustment stage, with a dosage usually of 0.1%-0.5% of the total formulation; third, stir thoroughly to ensure uniform dispersion, after which routine production and testing can proceed.
We once helped an industrial coatings manufacturer in East China solve foam problems caused by driers in its alkyd system. After adding the drier, the customer's filling line suffered severe foam overflow, and the product showed visible pinholes on the surface after standing. After adopting our KT-328 series defoamer, at the recommended dosage, foam during production was immediately brought under control and filling efficiency increased by about 15%. The resulting coating film was smooth and flat, the pinhole problem was completely eliminated, and the customer expressed high satisfaction with the final coating quality.
Choosing Chemi Tech means you gain not just a defoamer, but a systematic solution to drier foam. Our technical team is always ready to provide customized product selection and process support to help you achieve smooth production and excellent quality.