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What Makes Glass Clear?
Glass naturally has a greenish cast because of the iron present in all sand. 1 Clear glass has been made clear by adding selenium which is a non-metallic element somewhat like sulfur. 1 The selenium gives glass a red tint that balances out the green color which results to a clear glass. 1 Other colors of the glass can be achieved by adding different chemical oxides to the ingredients such as cobalt is put in for blue, gold for ruby, manganese for purple, chromium or iron for green and uranium for yellow. 1
Other Colors of a Glass
Here are some common colors of a glass and its uses:
Benefits of Using Glass
The things that we used and see everyday such as beer, wine, sauces, water and many more are normally contained in a glass for various reasons and that is why it is always used as a container. Glass does not react to chemicals which makes it a great food keeper or container. 2 It does not affect the taste. Glass is an elegant way of packing your products to stand out.
With clear glass, products can be easily seen and detected if it is still fresh due to its transparency. 2
Most of all, glass is a type of a material that can be endlessly recycled or used without losing its quality and strength. 2 This is the reason why glass is considered as one of the environmentally friendly materials until now. 3