sandpaper for wood and other hard surfaces is a very important tool in repairing manufacturing defects, improving the shape of the surfaces, and preparing them for painting, which gives them a distinctive aesthetic appearance. It also contributes to increasing their marketing value and increasing their importance. 

There are various companies specialized in manufacturing sandpaper, and each one differs from the other in the quality of the sanding materials that it offers for sale. Blask Solutions is considered one of the most important leading companies in the world of manufacturing various sanding materials, due to its reliance on using good raw materials from international brands, which is why the company is famous. With its distinguished products in the sanding and finishing materials market, we will present to you in this article the most important abrasive materials used by the company and the types of sandpaper it adopts. 

What are the types of sanding?

Sanding is considered an important process in many industries and is very important in solving many problems. The degree of its importance varies according to the type of sanding, as the types of sanding are classified into:

1. Rough sandpaper: It is widely used to remove defects and large blocks that accumulate on various surfaces, and it is also used to remove paint. 
2. Medium sanding: It has a medium roughness and is used after rough sanding to remove fine solid materials from surfaces. 
3. Fine sandpaper : It is used to soften surfaces and prepare them for painting. 

Sanding is also classified according to the form of the material used in the sanding process into:

• Sponge sandpaper: A sponge containing sanding granules is used to improve various surfaces. 
• sandpaper for wood: It is considered the most common type, as specific sandpaper is used for each surface. 
• Sanding disc: It is a disc or sheet covered with sanding grits that is used in various sanding machines. 
• Sanding bar: It is used in sanding machines. 

Best sandpaper for wood 

There are different types of sandpaper, and each type has its own importance. Sandpapers are classified based on several factors, the most important of which are:

1. Abrasive material

The abrasive material used in the sanding process varies from one company to another and from one type to another, as the following materials are used:

• Aluminum oxide: It is used in making wood and metal sandpaper. 
• Silicon carbide: This type of sanding is suitable for both glass and plastic surfaces. 
• Ceramic: It is more solid and is used to remove very solid materials, so it is used in automatic sanding. 
• Diamond: It is considered the hardest type of sandpaper and is expensive, so it is only used in some special applications. 

2. Type of glue used 

Sandpaper is classified according to the type of glue used to bond the grains of the sanded material. They are used:

• Resin. 
• Resin on resin. 
• Waterproof sanding type. 

3. The size of the abrasive particles

A number is written on each sandpaper that expresses the number of grains of the abrasive material, and from it the type of sandpaper and its importance are determined, as the number of grains in different papers ranges from 24 to more than 1,200 grains. 

Types of sandpaper for cars

Multiple types of sandpaper are used in sanding and preparing cars for paint. All materials used vary according to the purpose of the sanding, whether it is to remove rust or paint, or to soften the surface and correct scratches. Then an appropriate type of abrasive is chosen to be used in sanding the surface of the car, and after completion. After the sanding process, it is cleaned well before starting to paint it. 

How are cars sanded?

It is considered a sanding process The car Of processes and mechanisms Necessary In car finishing, sandpaper is used to remove scratches and defects to prepare the car’s surface for paint. This process is carried out through sequential steps as follows:

1. Prepare the sanding process 

Preparation to begin the sanding process is done through the following:

• Processing type sandpaper appropriate The condition of the car and its purpose. 
• Prepare the work area, ensure good ventilation, and clean the place of dust and debris. 
• Prepare special clothing for sanding, such as gloves and wear protective glasses. 
• Clean the car’s surface with soap and water to remove grease and materials stuck to the surface. 

2.Sanding stage

The sanding process begins by using coarse sandpaper to remove grease from the surface and remove layers of old paint or scratches. Here are the most important tips for sanding. To a degree Good:

• Sanding in a straight motion: The sandpaper is moved back and forth in a straight direction with light, even pressure. 
• Use a flat sanding block Because it helps distribute pressure evenly on the surface. 
• Use progressively finer sandpaper: So as to get a layer Soft. 
• Use water as a lubricant: Water-based sandpaper is used to obtain a smoother surface. 
• Evaluate the sanding process periodically: An examination is performed after sanding to determine the success of the sanding process. 

3. Clean the surface and prepare it for painting

The surface is cleaned well and the dust resulting from the sanding process is removed, using a wet cloth, then the surface is left to dry completely to begin. With a process Car paint. 

What do the numbers on sandpaper mean?

The numbers shown on sandpaper for wood and metal materials refer to the size of the abrasive grains on the surface of the paper. The roughness of the paper is determined based on the number of grains. The greater the number of grains. less The roughness of the paper increased and vice versa. Here are the details of the numbers on the sandpaper and their meaning:

1.Very coarse sandpaper 

It contains a number of granules from (40 – 60). These are used to remove excess materials at high speed and are used in the process of removing paint and leveling rough surfaces. 

2. Coarse sandpaper

It contains a number of granules (80 – 120) that are used for smoothing Surfaces Rough And remove Sanding defects. 

3. Medium sandpaper

It contains a number of granules (150 – 180) used for preparation Surface To paint. 

4. Fine sandpaper

It contains approximately (220 – 320) tablets and is used before applying a final layer between paint or finishing. 

5. Very fine sandpaper

Contains 400 One or more grains and is used in polishing operations and removing minor defects on the surface. 

Read more about: Glass Sandpaper

Using sandpaper on metal

Sandpaper is used in various ways Its types In the fields of metal manufacturing and finishing, metal sandpaper occupies the place status Especially as it is used in all of the following:

1.Remove rust and corrosion

Coarse sandpaper is used to effectively remove rust from the surface of metals and is recommended using Aluminum oxide sandpaper is suitable for this task. 

2.Remove old paint

Done Use Types Use specific sandpaper to remove old layers of paint before renewing it. It is preferable to use several Types I sheet Sanding Start with coarse to fine sandpaper to smooth Surface And remove all parts of the old paint. 

3. Prepare welds and smooth sharp edges

where Contributes Hardened sandpaper is used to smooth out the raised seams until they are level with the metal surface. It is also used to soften the edges and make them less sharp. 

4. Preparation Surfaces For painting and pasting

Medium to fine sandpaper is used The soft one To prepare surfaces for painting as well that it Helps with adhesion. 

5. Polishing and smoothing surfaces

Fine sandpaper is used with polishing compounds to add a distinctive shine to various metal materials. 

6. Remove surface defects

Sandpaper is generally used to remove surface imperfections And scratches Minor. 

Shop sandpaper for wood and metal from Blask Solutions and get a strong and distinctive product with good quality to obtain the required degree of sanding and improve the appearance of various wooden and metal surfaces.