Fluorocarbon paint, known for its high-quality anti-corrosion properties, has seen widespread use and development in recent years, with its application areas continually expanding. For manufacturers of fluorocarbon paint, continuous innovation and improvement in production technology are essential to securing a place in the increasingly competitive paint market. However, unexpected issues may arise during the coating process. How should we address these problems?
Causes:
(1)he evaporation rate of the thinner is too fast or the thinner’s solvency is inadequate.
(2)Excessive high-boiling-point solvents in the thinner (during winter).
(3)Poor atomization during spraying or the spray gun is too close to the substrate, leading to uneven coverage and visible application marks.
Solutions:
(1)Mix the paint thoroughly.
(2)Increase the number of application coats.
(3)Use a slow-drying thinner.
(4)Reduce the air flow of the spray gun.
(5)Adjust the thinner mixture and pay attention to the spraying technique.
Cause:
The paint’s viscosity is too low, causing it to not adhere properly to the surface.
Solution:
Reduce the thickness of each spray application or adjust the amount of thinner used.
Cause:
High viscosity, rapid evaporation of the thinner, and a high air flow rate with low paint output from the spray gun.
Solutions：
(1)Reduce the viscosity of the paint.
(2)Adjust the composition of the thinner or use a slow-drying thinner.
(3)Adjust the paint output and air flow rate of the spray gun.
Causes:
(1)The base coat is not fully dry, and the topcoat is applied too early.
(2)The base coat and topcoat are incompatible, causing the base coat to be dissolved or swollen by the solvents in the topcoat.
(3)The interval between coats is too short.
Solutions:
(1)Wait until the base coat is completely dry before applying the topcoat.
(2)Use compatible base and topcoat products.
(3)Ensure the correct interval between coats.
Cause:
Applying the fluorocarbon paint too thickly, resulting in a dry surface while the thinner in the underlying layers has not fully evaporated. Air trapped in the coating during spraying cannot escape with the solvent, causing blistering.
Solution:
(1)Ensure the moisture content of the substrate meets the standards.
(2)Avoid applying the coating too thickly in one go.
(3)Remove any blistered coating thoroughly, apply filler as needed, and repaint.
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As the source manufacturer, Jiangsu Zhongke Sunwell Technology Co, Ltd. have spent 30 years doing a good job in every barrel of paint, and providing industry supporting solutions for free.
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