BALLS, BALLOONS AND OTHER INFLATABLE OBJECTS FOR GYMNASTIC OR THERAPEUTIC USE

摘要

Balls, balloons and other inflatable objects made from a plastic material with an improved resistance to tearing, suitable for use in gymnastic activities, for rehabilitation and physiotherapy comprise as stiffening material an inert mineral charge having a granulometry between 0,02 ν and 500 ν, in an amount between 0,50 % and 20 % by weight.