The puck shall be made of vulcanized rubber, or other approved material, 2.5 cm thick and 7.6 cm in diameter and shall weigh between 156 g and 170 g. All pucks used in competition must be approved by the DEL.
For more information refer to Appendix III of the PDF version of the rulebook
Regel 13.2: Supply
The league can provide official pucks which shall be kept in a frozen condition. This supply of pucks shall be kept at the Penalty Box under the control of one of the regular Off-Ice Officials or a special attendant.
For more information refer to DEL Regulations
Regel 13.3: Illegal Puck
If at any time while play is in progress, a puck other than the one legally in play shall appear on the playing surface, the play shall not be stopped but shall continue with the legal puck until the play then in progress is completed by change of possession.
