When we do wood carving, sandpaper should be an important tool in the final polishing process!
However, there are so many kinds, such as water sand and sandpaper, friends who have just started learning woodcarving are completely stupid and incomprehensible┑(￣Д￣)┍
So today, let's learn about our common types of sandpaper, as well as their applicable areas, advantages and disadvantages.
Well, first of all, everyone should remember that our ordinary sandpaper is mainly divided into three categories (dry sandpaper, water sandpaper, sponge sandpaper)
1. Dry sandpaperDry sandpaper, as the name suggests, is a type of sandpaper that can be used directly for sanding.
Dry sanding paper product features: Dry sanding paper uses synthetic resin as a binder to bond silicon carbide abrasives to latex, and is coated with an anti-static coating to obtain a high-quality product that has anti-static properties. , Good flexibility and high wear resistance. Available in various sizes, suitable for sanding metal surfaces, fillers and coatings. Dry sanding paper usually uses special kraft paper and latex paper, uses natural and synthetic resins as binders, and is produced using advanced high-static sand planting technology. This product has high grinding efficiency and is not easy to stick to chips. suitable for dry sanding. Widely used in furniture, decoration and other industries, especially coarse grinding.
Advantages: cheap and durable, can be used directly, high efficiency, obvious polishing effect.
Disadvantages: when grinding, the dust is relatively large, the loss is relatively serious, and it cannot be reused.
In addition to regular paper media, there are two special forms:
(1) Emery
By replacing the original thin and brittle paper with cloth, the lifespan has increased significantly. Since the media is thicker, it is also more durable.
(2) Flocked Sandpaper
A layer of fine fluff has been added to the base of the original media, which is often used with the loom.
Secondly, water sandpaper.Water sanding paper also plays a big role in model production, for example, to eliminate the nozzle of parts, sanding the gaps of parts cut from the slider, etc. Sometimes fine sandpaper can be used to remove the sheen of splashes. paint and oxidation of metal parts layer, so that the metal parts emit the original metallic luster. Sanding with oil-in-water sandpaper can give a wood model a soft sheen.
Features:
1. Water sandpaper is mainly used for grinding and polishing automobiles, furniture, leather, appliance cases and mechanical parts. It has the characteristics of water grinding, high workpiece surface finish, and no dust pollution during operation.
2. Coated sandpaper is suitable for sanding soft materials such as wood, paint, soft metal, etc. It will not chip or clog during use.
3.Water sandpaper is used for sanding all kinds of wood, non-metal putty and glass. It can also be used for the beauty of fingernails and toenails.
Advantages: soaking in water does not remove sand, local fine sanding and repair of finished furniture, water sand is usually used, and when used, it is necessary to add water to grind, because there is water to reduce dust during the sanding process, there are basically no dust, and the environmental impact is relatively good small.
Disadvantages: Compared to dry sandpaper, the sanding efficiency is slightly lower. Use it directly without adding water, it is especially easy to stick to sandpaper, and the price is a little more expensive than dry sanding.
Three, sponge sandpaperSponge sanding paper is also called sponge sanding block, polishing sanding block, resin sanding block, abrasive sanding block, plastic sanding block, etc. It is a kind of sanding and polishing material with sponge as the base, and abrasive sand planted on a sponge</p >
Applicability and features:
It is best for sanding curved surfaces, can absorb water, keep sanding with water for a long time, and can replace water sandpaper. Sponge sanding blocks can have different shapes and characteristics.
Product use:
The sponge sanding block is suitable for manual polishing of furniture, polishing the surface of plastic products, polishing car paint, rust stains on metal, and treating the surface of plastic. It has remarkable characteristics such as water resistance, acid and alkali resistance. Features: soft dry sanding, wet sanding can be, washable, reusable.
Benefits: Since sandpaper is a sponge as a carrier, it is thicker to hold it. Compared to the other two sandpapers, it is more pleasant to the fingers. It can be used both wet and dry. When polishing with a large mesh size, especially when we do this, it is a good choice for small items such as pendants.
Disadvantages: Precisely due to the fact that a sponge is used as a carrier, the surface is relatively soft. When polishing a rough surface, the sandpaper will scratch. Therefore, in daily use, it is usually used at four o'clock. used after hundreds of eyes.
If you can't remember the scene of use for fear of confusion, you can write it down by the animal classification method, running on land-dry sandpaper, swimming in water-aquatic sandpaper, amphibian-sponge-sandpaper. So, is there a sense of instant transparency?