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Dr E. Ramanathan PhD Degreasing plants — whether batch-type, conveyorized, or fully automated — face several engineering problems that can affect productivity, safety, cleaning quality, and compliance. Below is a structured list of common engineering issues along with causes and remedies, tailored for plants handling metal cleaning with aqueous (alkaline or neutral) degreasers. 
Common…
Dr E. Ramanathan PhD Definition:Sedimentation is the settling of heavier pigments or extenders at the bottom of the paint container during storage, leading to separation, non-uniform consistency, and poor application properties. Causes of Sedimentation Remedies Note: Sedimentation is reversible if soft settling occurs. Irreversible “hard settling” may lead to product rejection.
Formation of dry powders on painted componets results poor finish. Remedies Avoid fast evapoating solvents in the spray thinners. Avoid spraying under hot sun. Mix some retarder thinner with spray thinner. If it is ordinary air drying alkyd based enamel add a few drops of pine oil. It stops fast evaporation. If it is NC…
