Phosphate glasses while not being used industrially have much lower dissolution rates than borosilicate glasses, which make them a more favorable option.
12.
Sugar is added to control the ruthenium chemistry and to stop the formation of the volatile Soviet bloc it is normal to use a phosphate glass.
13.
Some phosphate glasses are bio-compatible and water-soluble and are suited for use as degradable tissue and bone scaffolds within the human body.
14.
Phosphate glass has a substrate of phosphorus pentoxide ( P 2 O 5 ), rather than the silica ( SiO 2 ) of conventional silicate glasses.
