Frit
That composition is called a glass batch. It typically consists of raw materials such as sand (silica), soda ash, limestone, and other additives that are melted together at high temperatures to produce glass.
Frit
The partly fused mixture of sand and fluxes to make glass is called frit. Frit is made by melting and cooling the mixture into a solid glass that can be used in further glass-making processes.
Fused silica has 2 meanings: previously fused silica and presently fused silica. Previously fused silica is fused by heating it to its melting point. This can be done in crucible in a furnace. Presently fused silica is already hot and fused. Note: melted silica is probably a conductor, at least melted glass is a conductor.
Heating, melting are accurate, however Firing is the most common term used in glass making/blowing.
No.
The coating of glass-like substance fused to the surface of a ceramic piece is known as "glaze." Glazes serve multiple purposes, including providing a decorative finish, adding color, and creating a smooth, non-porous surface that enhances the piece's durability and functionality. They are typically made from silica, fluxes, and various colorants, and are applied to ceramics before being fired in a kiln to achieve a glossy, glass-like appearance.
Glass as found in windows and beakers is generically called soda glass and is composed mainly from silica SiO2 fused with principally the basic oxide Na2O. The actual composition of commercially available soda glasses are complex and I advise you to look at the wikipedia article "soda glass" which gives a large table of the elements. Glass is also a generic name for an amorphous solid.
A glass-lined reactor typically consists of a metal vessel, often made of carbon steel or stainless steel, that is coated with a layer of glass. This glass lining provides excellent resistance to corrosion and chemical attack, making it ideal for reactions involving aggressive substances. The glass is usually fused to the metal at high temperatures to create a durable, inert surface that can withstand high pressures and temperatures. The composition of the glass itself often includes silica, alumina, and other oxides to enhance its thermal and chemical stability.
Glass is silica dioxide. It is made by melting silica sand.
Glass is primarily made of silica, which is composed of silicon and oxygen atoms. Other elements are added to silica to create different types of glass with specific properties. While silicon and oxygen are key components, the exact composition of glass can vary depending on its intended use.
Fused silica is used for ultraviolet radiation. For the visible spectrum some types of glasses are more dispersive - this means that the refractive index is more dependent on the wavelength of a radiation.