Wednesday, October 3, 2007

Making Glass

To produce glass, there are several steps must be followed. The first step is to mix the raw materials, which is sand, soda, and limestone, in the furnace. The amount of each ingredient must be set to specific proportion. After that, burn the ingredients in the furnace at certain temperature until they are molten and mixed with each other. Next is the shaping phase. In this phase, the steps are different depend on what the glass will be made into. Generally there are two kinds of glass, plate glass and bottle glass. To produce plate glass, pour the molten ingredients to container that will flow the ingredients through some rollers. These rollers will flatten the mixture into plate glass with certain thickness. To produce bottle glass, pour the mixture to a removable mould. Then, some air is blown into the mould to expand the melted mixture to the area inside it. After both mixtures have been shaped, leave them in open air. When the temperature is low enough, the mixture will get hardened. Finally, a solid glass can be obtained.



Mochamad Raditya Pradana
16607004

Good work, thanks.

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