What makes a table tennis racket sticky

Table tennis racket is sticky when it's replaced with glue. It is not sticky because the surface of the cover layer is in too much contact with the air or encountered tap water (containing hypochlorous acid, strong oxidizing agent) is oxidized, generally because it is not properly protected. So you need to change the glue.

Table tennis sleeve selection:

1, sponge properties The nature of sponge plays a very long and important role in the rubber, and the performance of sponges with different thickness and soft and hard is also different. Sponge is harder to eat the ball is shorter, can improve the speed of hitting the ball, sponge is softer, can increase the time of eating the ball, feel softer and easier to control when hitting. The hardness of the sponge will be marked on the sponge of the domestic rubber. The harder sleeve is suitable for attaching to the softer bottom plate, and the less hard one is affixed to the harder bottom plate.

In addition to hardness, the thickness of the sponge also affects the performance of the rubber. Thin sponge eating time is short, the ball is fast, easy to penetrate the board, in the near table attack can reflect the advantage of fast speed, but if you retreat to the middle table will feel that the ball bottom strength is insufficient, so thin sponge is suitable for players in the near table to fast attack. On the contrary, thick sponge can reflect the advantages of bottom strength after retiring, so thick sponge is suitable for players who play circular ball in the middle and far table. Generally, the forehand chooses the sleeve with a thickness of 2.2mm and the backhand chooses the sleeve with a thickness of 2.1mm.

2, rubber properties

The properties of rubber also play a great role in the rubber sleeve, the factors affecting the properties of rubber surface sticky, the texture of rubber, the diameter and height of rubber particles and the spacing of rubber particles. Commonly used reverse rubber covers are generally divided into astringent rubber covers and sticky rubber covers, the difference between the two is whether the rubber surface is sticky. Sticky rubber surface is sticky, the friction is large, in the arc can create a strong rotation, but the control is poor, Changshu fitness equipment manufacturers suitable for the rotation of the arc ball playing method; The viscosity of the astringent rubber is not high, the speed of the ball is fast, suitable for fast attack and fast loop play.

The texture of rubber can be summarized as brittleness and toughness, the rubber sleeve with a brittle rubber surface is simply out of the ball, and the sound is loud and suitable for fast attack. The rubber sleeve with a good rubber surface is better than the ball and the elasticity is good. The ball friends who try astringent rubber sleeve suggest choosing the rubber sleeve with a brittle rubber surface, and the astringent rubber sleeve with a good rubber surface toughness will give people a feeling of false elasticity. The reverse glue with large particle diameter feels harder when hitting the ball, and the small particle diameter will make the reverse glue feel softer, the higher particle can improve the elasticity of the reverse glue, and the shorter reverse glue can make the hitting feeling more stable. The reverse glue with high particle density is fast, while the one with low density is more ball-holding. According to the above characteristics, in the selection of rubber can generally master the basic nature of a rubber, but the specific is not suitable for their own playing method also depends on the soft and hard base plate and glue filling habits and other factors.

The above is how the table tennis racket introduced by the table tennis manufacturer will be sticky.