Common Problems in Painting Lines｜How to Reduce Odor, Adhesion Issues & Paint Sludge

Why Do Painting Line Issues Occur?Even automated painting lines are not immune to problems. Without proper maintenance, environment control, and surface preparation, factories can suffer from lower quality finishes, increased downtime, and higher operational costs.

■　5 Common Painting Line Problems and How to Fix Them

1. Poor Paint Adhesion

Cause:

• Oily, dusty, or moist surfaces
• Incorrect paint type for the substrate

Solution:

• Use surface cleaners like -MG-104SX-
• Match paint type with material (e.g., PC/ABS, metals)
• Perform surface pre-treatment before spraying

2. Orange Peel Texture

Cause:

• Improper viscosity
• Incorrect spray pressure or distance
• Overheating in the spray booth

Solution:

• Adjust thinner ratio for correct viscosity
• Use a viscosity cup
• Set optimal spray distance and air pressure

3. Strong Paint Odor

Cause:

• High-VOC paint or thinner
• Poor booth ventilation
• Contaminated or decaying booth water

Solution:

• Use -Paint Mist Treatment- and -Activated Carbon Filters-
• Maintain air extraction systems regularly
• Change booth water and add deodorizing agents periodically

4. Equipment Clogging or Frequent Failures

Cause:

• Lack of post-use cleaning
• Incompatible cleaning agents
• Dust or overspray buildup

Solution:

• Clean with proper -Washing Thinner- (e.g., from TS COATING)
• Implement daily/weekly maintenance plans
• Use appropriate spray filters

5. Excess Paint Sludge Accumulation

Cause:

• No sludge separation or coagulant system

Solution:

• Install -Paint Sludge Collecting System-
• Add paint coagulant polymers to float sludge for easier removal
• Reduce booth cleaning frequency

■　Why Choose TS COATING (THAILAND) CO., LTD.?

TS COATING delivers full-range solutions—from painting booths and thinners to sludge treatment systems and on-site consulting. Whether upgrading existing lines or building new systems, their professional support ensures operational efficiency and compliance with safety standards.

※　Visit the [https://prime.nc-net.com/100377/en] for more info.
※　Download PDF or contact us for tailored advice.

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