Wall Paint Brush With Wooden Handle with nylon or polyester bristles are best suited for water-based paints, such as latex paint, acrylic paint, etc. They can also be used for some synthetic resin paints, but are not suitable for traditional oil-based paints or strong solvent-based paints. Nylon and polyester bristles are particularly suitable for water-based paints because of their water resistance and resistance to swelling.
Nylon bristles have good elasticity and are not easy to shed during painting, which can ensure a uniform and smooth paint film and are easy to clean. Similar to latex paint, nylon bristles can absorb paint well and apply smoothly, making them suitable for indoor and outdoor wall painting. Polyester bristles are highly wear-resistant and suitable for repeated painting. They will not become soft or deformed due to water absorption like natural brushes.
Some low-solvent resin paints can also use nylon or polyester bristles. Nylon bristles have certain chemical resistance and can be used for painting, but high-solvent polyurethane paints may make the bristles hard. Polyester fiber bristles are corrosion-resistant and suitable for short-term painting, but they need to be cleaned immediately, otherwise the bristles will be damaged after curing. Oil-based paint contains strong solvents that will corrode nylon and polyester fibers, causing the bristles to harden, deform, or even dissolve. Therefore, natural bristle brushes should be selected for oil-based paint because they are solvent-resistant and can better absorb oil-based paint. Nitro lacquer, polyester paint, etc. contain strong solvents such as acetone and xylene, which will quickly destroy the molecular structure of nylon/polyester, causing the bristles to become brittle and break, so these bristles are not suitable for use.
Although both nylon bristles and polyester bristles are suitable for water-based paint, there are some differences in specific performance. In terms of solvent resistance, polyester bristles perform slightly better than nylon bristles and can better withstand some mild chemicals, but this does not mean that they are suitable for oil-based paint, because the strong solvents in oil-based paint will still damage these two types of artificial bristles.
In terms of wear resistance, polyester bristles show better durability. Its fiber structure is tougher and can withstand long-term, high-intensity painting operations, especially suitable for occasions that require repeated painting or large-scale construction. In contrast, although nylon bristles also have good wear resistance, they may wear out faster under extreme conditions of use.
Nylon bristles have better elasticity and flexibility, which allows them to provide a more uniform paint effect when performing fine painting, especially suitable for occasions where the amount of paint needs to be precisely controlled. Polyester bristles are relatively hard, which makes them more suitable for handling paints with higher viscosity or construction scenarios that require thicker coatings.