Yahoo India Web Search

Search results

  1. en.wikipedia.org › wiki › GlassGlass - Wikipedia

    A glass building facade. Glass is an amorphous (non-crystalline) solid.Because it is often transparent and chemically inert, glass has found widespread practical, technological, and decorative use in window panes, tableware, and optics.Some common objects made of glass like "a glass" of water, "glasses", and "magnifying glass", are named after the material.Glass is most often formed by rapid cooling of the molten form.Some glasses such as volcanic glass are naturally occurring, and obsidian ...

  2. What Is Glass? Glass is an inorganic solid and non-crystalline material that is transparent in appearance. Using archaeological evidence, we can trace the usage of glass in the stone age period too.

  3. glass, an inorganic solid material that is usually transparent or translucent as well as hard, brittle, and impervious to the natural elements. Glass has been made into practical and decorative objects since ancient times, and it is still very important in applications as disparate as building construction, housewares, and telecommunications.It is made by cooling molten ingredients such as silica sand with sufficient rapidity to prevent the formation of visible crystals.

  4. Feb 24, 2023 · Manufacturing Process of Each Glass Type Float Glass. Float glass is made by melting a mixture of high-quality raw materials, including silica sand, soda ash, limestone, and dolomite, in a furnace at temperatures above 1600°C. The molten glass is then fed onto a bath of molten tin, where it spreads out and flattens, forming a continuous ribbon of glass.

  5. Dec 29, 2020 · 1. Soda Lime Glass. Soda-lime glass, also known as soda-lime-silica glass or window glass is a type of glass that contains 70% silica (silica dioxide), 15% soda (sodium oxide), and 9% lime (calcium oxide). It is the most common and least expensive type of glass.

  6. The history of glass-making dates back to at least 3,600 years ago in Mesopotamia.However, most writers claim that they may have been producing copies of glass objects from Egypt. Other archaeological evidence suggests that the first true glass was made in coastal north Syria, Mesopotamia or Egypt. The earliest known glass objects, of the mid 2,000 BCE, were beads, perhaps initially created as the accidental by-products of metal-working or during the production of faience, a pre-glass ...

  7. Feb 25, 2023 · Glass is a versatile material that can be produced in a wide range of compositions, each with its own unique properties and characteristics. While there are many different types of glass, most share a similar basic composition, consisting of three main ingredients: silica, soda ash, and limestone.

  8. This is a list of some physical properties of common glasses. Unless otherwise stated, the technical glass compositions and many experimentally determined properties are taken from one large study. Unless stated otherwise, the properties of fused silica (quartz glass) and germania glass are derived from the SciGlass glass database by forming the arithmetic mean of all the experimental values from different authors (in general more than 10 independent sources for quartz glass and T g of ...

  9. Jul 14, 2019 · Learn about the composition and properties of glass, a fascinating type of matter that can be transparent, colored, or even flexible. Find out how glass is made and used in different fields and applications.

  10. Nov 24, 2021 · A Brief Scientific History of Glass. Featuring ingots, shipwrecks and an international trade in colors, the material’s rich past is being traced using modern archaeology and materials science

  1. People also search for