HLS Coatings （Shanghai）Co.Ltd Cases

Variations of Bath Solution pH and Conductivity at Different Temperatures 1 Introduction In electrophoretic coating, pH and conductivity (K) are fundamental as well as core indicators for electrophoretic coatings. Compared with indicators such as ash content, solvent content and MEQ value, pH and ...

Effects of Wet‑Spraying and Dry‑Spraying on Water‑Based Paint Performance Wet‑spraying: Paint droplets reach the workpiece in a liquid wet state, allowing sufficient time for flow and emulsion particle coalescence to form a continuous paint film. Dry‑spraying: A large amount of moisture evaporates ...

Analysis of Function and Mechanism of Solvents in Electrophoretic Coatings I. Functions of Solvents in Electrophoretic Coatings Primarily composed of alcohols and ether‑alcohol co‑solvents, solvents in electrophoretic coatings serve as key regulating media for bath stability, film appearance, anti...

Essence of flash rust: In water‑borne systems, water, oxygen and chloride ions penetrate the exposed metal substrate and trigger rapid electrochemical corrosion, resulting in red rust spots before the paint film dries. I. Substrate Pretreatment (The Most Critical Source Control) 01 Achieve Required ...

Electrophoretic paint is an environmentally‑friendly electrophoretic coating with reduced organic‑solvent consumption. It uses water as the dispersion medium, and its aqueous system readily serves as a culture medium for microorganisms. Modern electrophoretic‑coating formulations generally contain ...

The electrophoresis‑tank heat exchanger is critical equipment in coating production lines. It maintains the electrophoresis bath temperature within the suitable range of 28‑32 °C. The high‑temperature and high‑humidity conditions in summer impose higher operating demands on heat exchangers. ...

Summer Maintenance Operation Guidelines for Electrophoresis Tank Heat Exchangers 1. Overview The heat exchanger of the electrophoresis tank is core equipment in coating production lines, which maintains the temperature of electrophoresis bath liquid within the optimal range of 28~32°C. The high...

Impacts of Microorganisms (Bacteria,etc.) in Electrodeposition Coating and Control Measures Electrodeposition paint is an environmentally friendly coating material with reduced organic solvent content. Using water as the dispersion medium, its aqueous system inherently serves as a favorable culture ...

Effects of High-Temperature Storage on Waterborne Coatings Waterborne paints use water as the dispersion medium, consisting of emulsions, resins, pigments and fillers, additives, neutralizing amines and preservatives. The recommended storage temperature ranges from 5 to 35°C. Long-term exposure to ...