![]() The composition according to claim 5, wherein said soda-lime-silica glass is cullet.ħ. The composition according to claim 4 wherein said soda-lime-silica glass is selected from the group consisting of container glass, window plate glass, glass cullet, and combinations thereof.Ħ. The composition according to claim 1, wherein said glass comprises soda-lime-silica glass.ĥ. The composition according to claim 1, wherein said iron(II,III) oxide comprises magnetite.Ĥ. The composition according to claim 1, wherein said iron(III) oxide comprises hematite.ģ. An anti-veining additive composition for sand cores used in metal casting, said composition comprising: (a) from about 20 to about 70 % by weight iron(III) oxide (b) from about 20 to about 70 % by weight iron(II,III) oxide and (c) from about 10 to about 60% by weight of a glass that is substantially free of lithium oxide wherein said iron(III) oxide and said iron(II,III) oxide are each comprised predominately of particles having a particle size less than about 75 microns.Ģ.
0 Comments
Leave a Reply. |