Conversion coatings are coating layers applied to the surface of a metal substrate to enhance its appearance and improve physical and chemical properties, such as corrosion resistance and paint ...
EPA has amended the list of hazardous wastes by modifying the scope of the EPA Hazardous Waste No. F019. The code applies to wastewater treatment sludges from the chemical conversion coating of ...
Today, the global automotive market is strong. The demand is already high, and the market is expected to reach $27.69 billion by 2022. In developing countries, increased car sales (as well as new ...
Many new materials have been developed, but steel remains the principal construction material for automobiles, appliances, and industrial machinery. Because of steel's vulnerability to attack by ...