All our crystal glasses withstand up to 180°C, which means you can use them for serving hot drinks without the glass breaking.
Glass plague arises from microscopic glass particles that are scraped off the glass when in the dishwasher that sticks to other glasses.
High temperatures combined with soap will cause a higher risk of glass plague.
Therefore, we recommend that our glasses are washed at max. 55°C (glass program if available) and preferably with only a half dishwasher tablet. It is good for both the glasses and the environment.