Analysis of Drying Time for Anti-Rust Paint

Everyone is concerned about the drying time of epoxy anti-rust paint when using paint for anti-corrosion and rust prevention, in addition to choosing the appropriate paint, because the drying time of epoxy anti-rust paint affects the progress of the entire paint project. Many people do not have a clear standard for the drying time of epoxy anti-rust paint, and there are many types of paint, and the drying time is also different. Today, let's take a look at how long it takes for several types of epoxy anti-rust paint to dry.

Drying time of epoxy anti-rust paint

There are many factors that affect the drying time of epoxy anti-rust paint, such as film thickness, air temperature, humidity, curing agent usage, etc. Today, we will only look at the drying time of various rust-proof paints under standard film thickness and appropriate curing agent usage, with an ambient temperature of 25 degrees Celsius.

Analysis of the drying time of common epoxy anti-rust paints

Common rust-proof paints include iron red rust-proof paint, red dan rust-proof paint and other common anti-corrosion primers, intermediate paints, topcoats, etc.

• The dry film thickness of iron red rust-proof paint and red dan rust-proof paint is 60μm, and the wet film thickness is 100μm. The surface drying time is less than 2 hours, and the solid drying time is less than 24 hours.

• The wet film thickness of alkyd enamel paint is 60μm, and the dry film thickness is 30μm. The surface drying time is within 4 hours, and the solid drying time is less than 24 hours.

• The dry film thickness of epoxy zinc-rich primer is 60μm, and the wet film thickness is 120μm. The surface drying time is less than 1 hour, the solid drying time is 24 hours, and the complete drying takes 7 days.
  

• The dry film thickness of epoxy iron oxide intermediate paint is 50μm, and the wet film thickness is 100μm. The surface drying time is 2 hours, the solid drying time is 24 hours, and the complete curing takes 7 days.
  

• The dry film thickness of acrylic polyurethane paint is 45μm, and the wet film thickness is 90μm. The surface drying time is 2 hours, and the solid drying time is 24 hours.
  

• The dry film thickness of fluorocarbon topcoat is 30μm, and the wet film thickness is 60μm. The surface drying time is 1 hour, the solid drying time is less than or equal to 24 hours, and the complete curing takes 7 days.
  

• The fastest one is inorganic zinc silicate primer, with a wet film thickness of 100μm and a dry film thickness of 50μm. The surface drying time is 5 minutes, and the solid drying time is 1 hour.
  

• Epoxy penetrating primer does not need to dry before the next paint construction.
  

There are many factors that affect the drying time of epoxy anti-rust paint, so the specific drying time in construction will only be close to the above-mentioned time and will not be exactly the same.

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