Cullet

  • A ‘sliding scale’ for steel and glass?

    A ‘sliding scale’ for steel and glass?

    Glass and steel are similar in many ways.  They’re both made from raw materials originally mined from the earth: silica sand, trona, limestone and dolomite in the case of glass, iron ore in the case of steel; those raw materials are completely transformed by heating them to around 1500 degrees centigrade; and both glass and…