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Today, hockey pucks are only made in four countries: Canada, Russia, China, and the Czech Republic. At large factories, workers mix rubber with a special bonding material. They add a type of coal dust called carbon black to the mixture. Then, they pour the mixture into a mold and compress it.
Similarly, it is asked, what were early hockey pucks made of?
By the 1870s, flat pucks were made of wood as well as rubber. At first, pucks were square. The first recorded organized game of ice hockey used a wooden puck, to prevent it from leaving the rink of play. Rubber pucks were first made by slicing a rubber ball, then trimming the disc square.
Also know, why are hockey pucks made of rubber?
Hockey pucks are flat, solid, black disk-shaped objects made of vulcanized rubber. During a game, each team keeps a supply of pucks in a freezer at all times. When a professional hockey team receives their supply of pucks for a season, they are rotated so that the older pucks are used first.
Pucks are black because the rubber they are made of is black and the ice is white. Same concept as goaltenders not being able to have black tape on their sticks because the official might not be able to see the puck clearly.