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1k acrylic paint is a single-component paint that relies on moisture in the air or the volatilization of solvents for curing. 2k acrylic paint is a two-component paint that requires the base material and curing agent to be mixed in a certain proportion before use, and cured through chemical reactions to form a solid paint film after curing.

2K acrylic paint, referred to as 2K paint, refers to a two-component paint system. The two components of 2K paint are base and hardener. Before use, these two parts need to be mixed in a certain proportion, and after mixing, a chemical reaction occurs to form a tough and durable coating.

For metal materials, the use of primer is usually necessary. Metal surfaces are usually smooth and easily corroded by air and moisture. Directly applying 2K acrylic paint may result in insufficient adhesion and easy rust.

The mixing ratio of 2K acrylic paint varies from manufacturer to manufacturer and specific product, but the common ratios are usually 4:1, 3:1 or 2:1, that is, the ratio of base to curing agent is 4:1, 3:1 or 2:1.

Under standard conditions, the surface drying time of 2K acrylic coating is 30 minutes to 1 hour, the touch drying time is 2 to 4 hours, and the full curing time is 24 to 48 hours.