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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.

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.

The biggest difference between 2K primer and ordinary one-component primer is that it requires the participation of a hardener. The role of the hardener is to cure the primer and form a solid coating through a chemical reaction. Specifically, the reasons why 2K primer needs a hardener are as follows: 1. Improve hardness and durability 2. Accelerate the curing process 3. Enhance adhesion