Fish Eyes / Cratering
Fish eyes / cratering
- Oil, wax, grease or silicone contaminations on the surface prior to spraying gives rise to these crater-like depressions with raised edges.
- Contaminated air – compressed air or airborne substance.
- Use of polishes or aerosol sprays containing silicone (tyres, moulds, and dashes).
- Insufficient cleaning, contamination from grubby hands.
- Clean surfaces properly with R123 wax and grease remover BEFORE repairing and refinishing – clean, sand, clean.
- Silicone products have the ability to float large and long distances so application of silicone type products must be monitored.
- Check that regular maintenance of oil and water separators on airlines is carried out.
- If craters are few and very small, try polishing out.
- Normally it is necessary to clean, sand and respray the job.
- Only ever use silicone drops as a last resort.
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