Laboratory glassware and ovenware for cooking is made of a different type of glass which is more resistant to be an old material but it still has many surprises to offer and it is still indispensable in our modern world.chemicals, added to oxidize any iron present and remove its color. Glass can be made into glass fiber used for insulation and scratches and heat.
Glass may other oxides. Pyrex is a trade name for one brand of borosilicate glass. Lead crystal glass, as made by Waterford Crystal, contains making boats etc. -- this glass contains aluminum oxide.
Al2O3, or into special optical fibers which are a large amount of lead oxide (PbO) which gives the glass its brilliance. By putting in small amount of metal oxides we can give glass a range of colors.
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