Symptom • Fish-eye contamination on topcoat
Fish-eye contamination on topcoat
Crater-like defects with raised edges from surface contamination (silicone, oil, water). Surface preparation + compressed-air-system issue.
Crater-like defects with raised edges from surface contamination (silicone, oil, water). Surface preparation + compressed-air-system issue.
Quick answer
Fish-eye contamination on topcoat is a high-severity paint-booth symptom. The most common root causes catalogued for this symptom are 4 distinct mechanisms. A 3-step diagnostic sequence is published below to isolate the cause. Recommended filter response: intake filters and AMU pre-filters. Use the "Add recommended filters to cart" CTA to bundle the cheapest published SKU in each category.
Fish-eye contamination on topcoat FAQs
What causes fish-eye contamination on topcoat?
4 catalogued root causes for this symptom: airborne_silicone_in_shop: Aerosol products in the shop (lubricants, mold-release, anti-static spray) drift into the booth on intake air. — silicone_contamination_substrate: Silicone residue from wax, polish, release agent, or sealant on the substrate. Silicone has very low surface tension, paint crawls away from it leaving the characteristic crater. — compressed_air_oil_water_carryover: Compressor oil mist or condensed water in the air supply lands on wet film and creates the same crater pattern. — personal_care_products_on_operator: Hair products, lotions, certain antiperspirants contain silicone, operator can carry contamination into the booth.. The diagnostic sequence below walks through isolating each in order.
Which filters fix fish-eye contamination on topcoat?
For this symptom, replace intake filters and AMU pre-filters as the first response. The "Add recommended filters to cart" CTA above bundles the cheapest published SKU from each category so you can re-stock in one click.
Do I need a service tech for fish-eye contamination on topcoat?
Usually no — this symptom is filter-related and responds to standard replacement. Run the diagnostic sequence below first; if the issue persists after fresh filters, escalate to WERCS service.
Sources
Primary references cited on this page.
- Paint Defects 6 — Fish Eyeshttps://stmcoatech.com/paint-defects-6-fish-eyes/
- How to Prevent and Fix Fisheyeshttps://www.eastwood.com/garage/how-to-prevent-and-fix-fisheyes-or-solvent-pop-in-paint-jobs/
- Fisheyeshttps://www.pfonline.com/articles/fisheyes
- Paint Cissing and Fish Eyeshttps://craftingwithconcrete.com/paint-cissing-and-fish-eyes-silicone-sources-and-surface-decontamination-steps/