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Tafeltennisballetjes

Voor tafeltennisballen is het gewicht, de diameter en de hoeveelheid gas in het balletje belangrijk.
Vroeger hadden tafeltennisballetjes een diameter van 38 mm.
In 2000 werd deze maat, tot dan de officiële maat sinds 1937, door de ITTF (International Table Tennis Federation) gewijzigd naar een diameter van 40mm.
In 2014 werden ook eisen gesteld omtrent het materiaal van de balletjes.
Voor 2014 werden de balletjes meestal van cellulose gemaakt, maar vanaf 2014 vereist de IITF kunststof materiaal welke cellulose-vrij is.
De kleur mag wit of oranje zijn en dient mat (dus niet glanzend) te zijn.

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