- Bristles
- Bristle is taken from pigs. Generally speaking, a pig can only get hair once in its life. Pig bristles can be used to make a variety of brushes, the most common being bristle paint brushes. The bristles are similar to human hair, from thick to thin from the root to the end, which makes the bristle elastic; in addition, the ends of each hair are slightly forked; the common bristle color is brown (white) or black. The bristle has good durability and water resistance, and it is also anti-static, resistant to high temperature and acid and alkali.
- Wool
- Wool is relatively soft and slightly less elastic. After being made into a wool brush, it will not leave brush marks when used to apply paint. In addition to being made into paint brushes, wool is often used in brushes with short, soft bristles, such as cosmetic brushes.
- Horse Hair
- The softness of horse hair is between bristle and wool, and horse tail hair is slightly harder than bristle hair; horse hair has good toughness and wear resistance, but it is not resistant to acid and alkali, and the brushes made of it are mostly used for polishing, cleaning, and dust removal and other related industries; brushes made of horse hair can withstand high temperatures of about 190 degrees Celsius.
- White Brown
- White brown is a woolen material processed from the fibers of agave stems and leaves. It is mainly produced in Mexico, so it is often called “Mexican white brown” in the industry; white brown has good acid and alkali resistance; because it is a plant fiber, it is water-absorbent Good; white brown can withstand a temperature of about 140 degrees Celsius, suitable for making leather brushes for detail brightening and polishing.
- In addition, there is sisal, which is also one of the materials used to process brushes. The performance of sisal is similar to that of white brown, and it is often used to process polishing brushes. The finished product is commonly known as “sisal strips”.
Artificial Fiber
Man-made fiber filaments, namely nylon (PA), PP, PBT, PET, PVC and other plastic filaments, these materials have the advantages of low production cost, various colors, stable quality, unlimited length, etc., and are used in the current brush processing. Widely used, especially on industrial brushes, the use of these artificial fiber filaments greatly exceeds that of wool.
Among the above-mentioned artificial materials, nylon (PA) is used in a large amount and has many classifications. Due to the difference in characteristics, nylon filaments are divided into the following types:
- Nylon 6 (PA6): Nylon 6 is cheap in the nylon family. Nevertheless, nylon 6 still has good recovery, temperature resistance and wear resistance. Therefore, the wool is widely used in various finished brushes, and is a common wool on various brushes in the market.
- Nylon 66 (PA66): Compared with nylon 6, nylon 66 is slightly better in hardness, recovery, and wear resistance when the wire diameter is the same, and its temperature resistance can reach 150 degrees Celsius.
- Nylon 612 (PA612): Nylon 612 is a relatively high-quality nylon yarn with low water absorption, better recovery and wear resistance than nylon 66. In addition, nylon 612 has anti-mold and antibacterial properties, and the brush wheels and brush strips made of it are often used in food, medical, and electronic related industries.
- Abrasive nylon: Wear-resistant nylon is a synthetic filament made of nylon 6 or nylon 612 as the raw material for brushing and adding silicon carbide (SIC) or aluminum oxide (AO) abrasive particles. It is also called abrasive filament or abrasive filament in the industry. The finished brush has wear-resistant characteristics, and there are many kinds according to the wire diameter and mesh number.
The above are the commonly used types of nylon. In addition, the following are other artificial brush filaments that are used in large quantities.
- PP: The characteristic of PP is that the density is less than 1. When testing the wool material, several of them can be placed in the water. If it floats on the water surface, it can be initially judged as PP material; the cross section of PP wool is oval; in addition, the elasticity of PP is poor, It is difficult to return to its original shape after being bent many times; it can withstand heat up to 120 degrees Celsius.
- PET: PET’s durability and high temperature resistance are close to nylon; in addition, PET also has good resistance to acid and alkali, alcohol, gasoline, benzene and most cleaning solvents, and has considerable antibacterial properties, and is not easy to mildew.
- PBT: PBT wool has the advantages of acid and alkali resistance, oil resistance and solvent resistance, but it is easy to hydrolyze at high temperature.
- PVC: PVC is low in cost, short in service life, and poor in wear resistance. Therefore, PVC is rarely used as wool in industrial brushes to avoid frequent replacement of brushes. PVC brush wire can be made into a forked front end, which is called “flowering wire” in the industry, and is often used for household cleaning brushes such as brooms.
