... transparent boron frit,used in (crystal polishing tiles,belt line,enboss) ceramic frit for wall tilesItemExpansion coefficient(×10-7/°C)Softening Point ... firing vetrosa,high transparent boron frit,used in (crystal polishing tiles,belt line,enboss),suitable for 1050-1150°CTransparent FritKSJ-2048185680High ... whiteness and can bemade with fast firing. ceramic frit for wall tiles