PITTSBURGH (Dec. 10, 2018) – PPG (NYSE: PPG) and the National Hockey League (NHL®) today announced that official game pucks featuring thermochromic coatings supplied by PPG will be in play in the 2019 Bridgestone NHL Winter Classic®, the much-anticipated matchup between the Boston Bruins and Chicago Blackhawks at Notre Dame Stadium on New Year’s Day.
The advanced coatings change from purple to clear when a puck’s temperature is above freezing, providing a visual indication to officials that the puck should be replaced. The coated pucks will be tested at NHL tentpole events during the 2018-19 season and will be further evaluated for broader use in the future.
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