How to use sandpaper correctly!

In all kinds of grinding work, sandpaper is our right-hand man, but do you know how to use sandpaper correctly to improve the grinding effect? ​​Today I will share with you some practical methods.

Choose Sandpaper

Different sandpapers are needed for different sanding objects. For hard materials, such as metal parts, coarser sandpaper can quickly remove surface defects; while for softer materials such as wood, or surfaces that need fine sanding, such as furniture paint, sandpaper with lower grit is more suitable. It's like different keys open different locks. Choosing the right sandpaper is half the battle.

Assistive tools

When using sandpaper, you must maintain a steady pressure. Too much pressure will not only damage the sandpaper, but may also cause excessive wear on the surface of the material; too little pressure will not achieve the desired grinding effect. Therefore, we can use some tools

1.Use the tools

Use the sanding tool to ensure that the sandpaper is applied evenly to avoid excessive pressure that may damage the sandpaper or excessively wear the material surface.

2.Hand Control

Use both hands to control the direction of the sandpaper's movement, keep your hands steady, and allow the sandpaper to maintain steady pressure on the surface of the product being sanded.

Grinding preparation

Before using sandpaper, be sure to clean the surface of the object to be sanded. Dust and impurities are like stumbling blocks that will affect the sanding effect of sandpaper. Simply rinsing with clean water or using detergent can create a good environment for sandpaper to work.

Polishing Technique

In order to ensure the uniformity of the grinding effect, we can cut the sandpaper into appropriate sizes and operate it by hand or fixed on the sandpaper rack. During the grinding process, the sandpaper should be in full contact with the surface of the material without any omissions.

For example, when grinding the wall, first grind it roughly and then grind it finely, so that the wall surface can be flat and smooth. For the mirror polishing of the mold, it is necessary to grind it step by step according to the mesh number of the sandpaper, and each step must be uniform and meticulous.

Polishing Tips

1.Suitable force angle

Sandpaper should be applied with appropriate force and angle to avoid excessive wear of the surface or failure to achieve the desired effect.

2.Adjust according to the grinding object

Adjust the strength and angle for different materials, such as using different sandpapers for polishing car paint and polishing wood.

3.Texture Direction

Sanding along the direction of the wood grain or material texture can reduce scratches and improve the surface texture.