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Dear PPkini, normally perfume bottles in glass are made out of Cast iron moulds which have titanium added to the cast Iron for getting the closed grained cast iron. This is usually chrome plated and polished to desired results.There may be additions of nickel manganese and chrome The ghraphite...

Hello Jbaker, Read about your requirement for lithium glass sheet. Could you be more specific what sort of lithium glass is needed.People producing glass ceramic materials can produce that sort of galss for you. Glass ceramics is typically technical glass and there are lots of specifications. It...

dear glman, try out this composition SiO2-72%,Al2O31.5%,B2O3;-14%,Na2O:-7%, CaO:-5% Hope you will be able to back calculate to your raw materials. this composition should melt in 1450 deg centigrade. Alpha value will be between 50 to 55 Regards Chatterjee

Dear Drax, A toughned glass modification is tough job.Try to cut it and it would braek off. Try grinding ,it would go up in splinters.The only way you can do that is to heat up the glass gradually by sticking to a heatup curve (which depends on the composition of the glass) anneal it following...

Dear OOlitic, It seems to me that the glass which is breaking up is due to the thermal shock.Cold in night and hot in morning.Glass is by nature insulator. It takes time to heat up and release the heat so as to cool down.A toughned glass will be more prone to thermal shock breakages. Toughned...

Dear YM, High Silica glass is not enough to have the understanding of what would be the best way to melt the glass. Do you have any compositional aspect in mind? If it is in the range of 96% sio2 then the route is totally different. There is a type of glass called Vycor glass.This has 96 to 97%...

Dear Maomech, It is not very clear what you are really asking for. How ever your query can be answered to a certain extent. Automotive glass has two objects linked to it. (a)The wind sheild (b)the head lights. The wind sheild is made from float glass(flat sheet glass drawn by float glass...

Dear JmSiloh, The combustion gas temperature and the pressure as stated by you may not sustain Silicon carbide type materials.Have you tried glass ceramics.There are machinable glass ceramics where the extent of crystallization can be controlled to give required strength and refractoriness...