The International Table Tennis Federations regulations for blades say that the blade must contain at least 85% wood, and up to 15% can be other fibres (for example carbon fibres, glass fibres, special papers etc.).
What determines the characteristics of a table tennis blade?Incorporating carbon fibres in the plywood improves the torsional strength and the blade can be faster without increasing the weight too much. A harder outer veneer gives a faster blade, with lower arc, but a softer outer veneer improves the control characteristics (feeling). In some of the Yasaka blades, balsa wood, a very light wood is used. The “balsa blades” have special characteristics, much appreciated by certain players. (feeling).