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Circular Sandpaper is Also Divided into Dry Abrasive Paper and Wet Sand


Round sandpaper is made by sticking sandpaper rolls with double-sided tape, placing them on a punch machine, and cutting them with a special circular die. Its shape is a perfect circle, so it is called round sandpaper, and it is essentially sandpaper. Round sandpaper is divided into various types according to different pastes, sizes, and sand surfaces. Below, we introduce the different classification methods of abrasive sandpaper and the difference between dry sand and wet sand.


Different classification methods for round abrasive sandpaper


According to different adhesives, it is divided into round abrasive sandpaper and velvet round sandpaper, as well as with holes and without holes. When grinding objects, waste can be discharged from the holes, improving polishing efficiency. According to size, it can be divided into 4 inches, 5 inches, and 6 inches. According to sand surface classification, it can be divided into round sandpapers, such as white, red, yellow, blue, and green sand surfaces.


The difference between wet sand and dry abrasive paper


In many types of round sandpaper, wet sand and dry sand can be distinguished. Of course, some sandpapers can be used for both dry and wet purposes. So what is the difference between dry sand and wet sand? In wet sand, the gaps between the sand particles are smaller, and the crushed powder is also smaller. When types of sanding belts are used with water, the crushed powder will flow out with the water, so it is best to use it with water. If wet sandpaper is used for dry sanding, debris will remain in the gaps between the sand particles, which will make the surface of the sandpaper lighter and unable to achieve the desired effect. dry abrasive paper is very convenient to use. The gaps between the sand particles are larger, and the crushed powder is also larger. During the grinding process, the crushed powder will fall off due to the larger gaps, so water is not needed.


Currently, dry sand products produced by abrasive manufacturers include yellow sand and green sand. The difference is that the surface of yellow sand has an anti-clogging coating to avoid sand particles from clogging; green sand can be used for both dry and wet purposes. Of course, various specifications of hook and loop, self-adhesive sand disc, and other abrasive products can also be produced according to customer requirements. Many classification methods for round sandpaper have been introduced. What role does it play in our industry and life?


Abrasive sandpaper is used to grind metal and wooden surfaces to make them smooth and clean. It is usually made of various abrasives stuck on backing paper. There are various sandpapers according to different abrasives, such as artificial sandpaper and glass sandpaper. Wood sandpaper is used to polish the surface of wood and bamboo. Water sandpaper is used to polish the surface of metal or non-metallic workpieces in water or oil. There is also a self-adhesive sandpaper, where the back of the corresponding sandpaper or sand cloth is coated or velvety, punched, and then cut into circular or other desired shapes. It is widely used in the surface treatment of products such as automobiles, furniture, metal products, and electronic circuit boards.


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