The physical indicators of table tennis racket rubber are important bases for evaluating its performance, mainly including the following aspects:
1. Thickness
The thickness of table tennis racket rubber is one of the key factors affecting its performance. The International Table Tennis Federation stipulates that the thickness of the table tennis racket rubber part shall not exceed 2 mm, and the total thickness of the rubber and sponge shall not exceed 4 mm. When making a specific choice, the conventional thickness of the anti-rubber is usually between 1.8mm-2.0mm, while the thickness of the positive rubber is thinner, generally between 0.8mm-1.0mm. The thickness of the long rubber may be above 1.5mm.
2. Hardness
The hardness of table tennis racket rubber is usually expressed in degrees. The larger the degree, the higher the hardness. The hardness directly affects the elasticity and power transmission of the racket. Hard rubber usually has better elasticity and faster ball speed, which is suitable for fast attack players; while soft rubber can provide better control, which is suitable for arc and slice players. When choosing, you should decide the appropriate hardness according to your own playing characteristics and strength level.
3. Viscosity
Viscosity is an important indicator for evaluating Table tennis racket rubber. The surface of sticky rubber is stickier, which can provide better friction and rotation effect, and is suitable for looping and slicing. The surface of astringent rubber is astringent, and the ball will leave the board faster, which is suitable for fast attack. When choosing, you should decide whether to use sticky rubber or astringent rubber according to your playing preference.
4. Tooth structure
The tooth is an important link between rubber and sponge, and its structure is also one of the important factors affecting the performance of rubber. The length, thickness, density and shape of the tooth will affect the elasticity and friction of the rubber. Rubber with long tooth usually has better elasticity, while rubber with fine tooth is more sensitive to small balls. When choosing, you can choose the appropriate tooth structure according to your needs and preferences.
5. Sponge performance
The sponge is the power core of Table tennis racket rubber, and its performance directly affects the elasticity and power transmission of the racket. The performance attributes of sponges include origin, process, rubber content, pore size, etc. Sponges with high rubber content usually have better elasticity and deformation ability, while sponges with larger pores can provide stronger support. When choosing, you should choose the right sponge according to your needs.
In summary, the physical indicators of Table tennis racket rubber include thickness, hardness, viscosity, tooth particle structure and sponge performance. When choosing Table tennis racket rubber, you should consider these indicators comprehensively according to your playing characteristics, strength level and preferences.
