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As early as the 1950s, some states and cities in the United States began to realize the hazards of lead paint and took preliminary restrictive measures. For example, Chicago and New York City began to restrict the use of lead paint in residences in the late 1950s. However, these measures had limited impact nationwide.

The anti-rust effect of zinc-rich primer mainly depends on the electrochemical protection principle. Zinc, as an active metal, has a lower electrode potential than iron. When zinc-rich primer is applied to the surface of steel, zinc powder forms an anode in the coating, and steel becomes the cathode.

Epoxy primer is an important part of the anti-corrosion coating system for aluminum products, especially suitable for use in severely corrosive environments. It has excellent adhesion and chemical resistance, and can form a hard protective film on the surface of aluminum to block the intrusion of moisture, oxygen and other corrosive substances.

Liquid rubber paint can form a continuous, seamless coating during construction. This seamless design can eliminate the potential leakage risks caused by the presence of seams in traditional roof coatings.

Generally speaking, white road marking paint lasts about 2 to 4 weeks on grass. This time range varies depending on a variety of factors, including grass type, climate conditions, grass maintenance, and frequency of use.

There are significant differences in performance requirements between traffic paint and conventional paint. Traffic paint needs to cope with complex road environments and must have high wear resistance, weather resistance, fast drying and good adhesion. Ordinary paints are mainly used for interior and exterior walls of buildings, furniture and decorations, and their performance requirements are relatively low.

Commonly used protective paint coatings: 1. Epoxy resin paint, 2. Polyurethane paint, 3. Alkyd resin paint, 4. Acrylic paint, 5. Chlorinated rubber paint, 6. Zinc powder paint, 7. Silicate paint.

Zinc-rich primer prevents metal corrosion through cathodic protection mechanism. Zinc has a lower potential than iron, so in a corrosive environment, zinc will be preferentially oxidized, thereby protecting the iron substrate. Iron oxide red primer prevents corrosive media from contacting the metal surface by forming a physical barrier.

Drying agent is an additive commonly used to speed up the drying speed of paint, especially in oil-based paints and industrial coatings. Drying agents speed up the hardening process by accelerating oxidation or polymerization reactions in paint.

Anti-rust paint is a coating specially used to prevent oxidation and corrosion on metal surfaces. It prevents the generation and expansion of rust by forming a protective film on the metal surface to isolate air, moisture and other corrosive substances. The best types of anti-rust paint are: epoxy anti-rust paint, polyurethane anti-rust paint, alkyd anti-rust paint, etc.