batu batu

batu batu. A glass is a non-crystalline amorphous stable that is often translucent and has popular practical, technical, and decorative consumption in, for example, windows panes, tableware, and optoelectronics. By far the most familiar, and historically the oldest, types of goblet are "silicate spectacles" predicated on the chemical chemical substance silica (silicon dioxide, or quartz), the principal constituent of fine sand. The term goblet, in popular utilization, is often used to send only to this kind of materials, which is familiar from use as screen a glass and in cup bottles. Of the numerous silica-based glasses which exist, common glazing and pot glass is developed from a particular type called soda-lime wine glass, composed of roughly 75% silicon dioxide (SiO2), sodium oxide (Na2O) from sodium carbonate (Na2CO3), calcium mineral oxide, also known as lime (CaO), and many minor additives.

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batu batu


Many applications of silicate eyeglasses are based on their optical transparency, providing rise with their major use as screen panes. Goblet will transmit, reveal and refract light; these attributes can be increased by chopping and polishing to make optical lens, prisms, fine glassware, and optical fibres for broadband data transmitting by light. Cup can be colored with the addition of metallic salts, and can be painted and branded with vitreous enamels. These features have resulted in the intensive use of goblet in the produce of art things and specifically, stained glass glass windows. Although brittle, silicate wine glass is incredibly durable, and many types of glass fragments can be found from early on glass-making civilizations. Because a glass can be created or moulded into any form, it's been customarily used for vessels: bowls, vases, containers, jars and taking in spectacles. In its most sound forms it has additionally been used for paperweights, marbles, and beads. When extruded as goblet dietary fiber and matted as goblet wool in ways to snare air, it becomes a thermal insulating materials, so when these glass fibres are inlayed into an organic and natural polymer plastic, they are simply an integral structural reinforcement area of the composite materials fiberglass. Some things historically were so commonly manufactured from silicate glass they are simply called by the name of the materials, such as taking in eyeglasses and reading spectacles.

Scientifically, the word "glass" is often identified in a broader sense, encompassing every stable that possesses a non-crystalline (that is, amorphous) composition at the atomic level and that displays a glass move when heated into the liquid express. Porcelains and many polymer thermoplastics familiar from day-to-day use are spectacles. These kinds of glasses can be produced of quite different sorts of materials than silica: metallic alloys, ionic melts, aqueous alternatives, molecular fluids, and polymers. For most applications, like cup containers or eyewear, polymer spectacles (acrylic a glass, polycarbonate or polyethylene terephthalate) are a lighter option than traditional goblet.