The common market of the sponge is also divided into two categories of imported and domestic. From the past look and feel easy to distinguish. Imported sponge good elasticity, uniform thickness, light weight, stable quality, feel slightly soft. Loop rotating strong line specification. Homemade sponge with heavy weight and elastic slightly different, feel slightly hard. Loop some floating and sinking (saying a thief).
Professional players in China generally use the forehand domestic general selection of imported sponge sponge, backhand. But now many joint venture brands sponge performance is close to imported products, it is generally not easy to distinguish.
1, the commonly used sponge according to the structure is divided into high density sponge, sponge, sponge density in low density three.
2, according to the commonly used sponge hardness is divided into 30 degrees - 55 degrees (from soft to hard), thickness between 0.3 - 2.3mm. Different manufacturers of the sponge while sometimes standard of same degree but still has the distinction of elastic. Should pay attention to when buying.
3, the common sponge divided by use of reverse sponge (with anti sticking rubber) and plastic sponge (with rubber paste) |
