glasframställning
Glasframställning, or glassmaking, is the process of producing glass. This ancient craft involves heating a mixture of silica sand, soda ash, and limestone to very high temperatures until it melts into a molten liquid. The exact composition can be varied to achieve different properties in the final glass. Other materials may be added to impart color, such as metal oxides.
Once molten, the glass can be shaped in several ways. Traditional methods include blowing, where a gather
After shaping, the glass is typically annealed, a controlled cooling process that relieves internal stresses and