Classification and introduction of paint brushes

Paint Brush is a tool often used in daily life and manual operation. The paint brush can be used not only to brush paint, paint and glue, but also to clean the dust at the root of the wall, corners or cracks. According to different materials of bristles, paint brushes can be divided into three types: pig hair brush, wool brush and nylon fiber brush, which are mainly the difference between the degree of paint and the degree of hardness and softness. According to different shapes, it can be divided into Flat Paint Brush, Round Paint Brush, crooked handle paint brush, etc.

Flat paint brush: it is composed of wood handle or plastic handle, brush hair and rectangular cylindrical thin iron clamp. The brush hair is made of bristle and can be divided into 1 ", 2", 3 ", 4" and other common sizes according to size. This is the most commonly used brush, which is cheap and can be used for painting oily paint.

Round paint brush: it is composed of round wooden handle or plastic handle, round bristles and thin iron clamp. Bristles are mostly made of bristles. The specification of the circular brush is expressed by the diameter of the circular bristles. It is used in conjunction with the flat brush to brush the parts with complex shapes.

Elbow paint brush: it is composed of wood handle or plastic handle, bristles and thin iron clamp. The bristles are flat. The curved wood handle is usually 45 ° skewed, and the handle is long. It is used in conjunction with the flat brush for the parts that are difficult to be painted by the flat brush.

Summarize how to select and maintain paint brushes:

1. appearance

No matter what kind of brush, it is required that the front end of the bristles should be neat without shedding.

2. coating characteristics

If it is a high viscosity coating, such as magnetic powder paint, ready mixed paint, etc., the key point is one word, hard! Just choose a hard brush. If it is a coating with low viscosity, such as various varnishes, you can choose a thin hard brush or soft brush. For water-soluble paint and polyester paint, wool brush with good paint property shall be selected.

3. coated surface

For the coated objects with rough surface, such as the cross section of metal castings and wood, the circular paint brush can be selected. Because the circular paint brush contains a large amount of paint, it is easy to make the paint wet the rough surface and penetrate into the holes.

4. brush maintenance

After using the paint brush, the paint brush shall be cleaned and dried in time. If the paint brush is not cleaned in time and exposed to the air for a long time, it is easy to harden and scrap.