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Glass powder is a fine powder made from ground glass used in industrial and craft applications. It can be made from recycled or specially made glass and can be colored. It is used in crafts such as glass fusing and cloisonné, as well as in semiconductor manufacturing and dentistry. It must be handled with care and requires face protection.
Glass powder is an extremely fine powder made from ground glass. It can be used in a number of industrial and craft applications and is often available through glassware and industrial supply suppliers. High-precision machining equipment is required to prepare it, as it needs to be very uniform, with a uniform texture. Costs vary depending on the level of grind and applications.
Some companies use recycled glass to make their glass powders, while others may use specially made glass. The process may involve dry or wet grinding to obtain particles of the desired size. Pigments can be added to make colored glass powders, and companies can also work with colored glass if they want to make powders of a particular color, such as blue. The finished product can be dangerous and must be handled with care.
One use for glass powder is in crafts such as glass fusing and cloisonné, where artisans carefully apply the powder, subject it to high heat, and allow it to melt. The craftsman can control the precise color shading and color distribution for very distinctive and visually interesting pieces. Jewelry, vases, and a variety of other items can be made from glass powder. Molds are available for mass production of some types of finished pieces.
The early origins of glass powder in handicrafts can be difficult to trace. Some African cultures were producing power glass beads as early as AD 700, while the famous glassmakers of Venice readily applied the technology by AD 1500. Given the exchange of trade items and ideas, it is possible that Venetian glassmakers picked up on the skill of trading partners Africans, rather than inventing it independently.
Semiconductor manufacturers also use this product, as do some dentists, who can create very precisely matched fillings with the use of glass powder. These industrial powders are held to a higher standard of purity because their applications are more demanding. Companies must handle and treat glass with care throughout production to avoid the introduction of contaminants.
When handling glass powder, face protection must be worn. The powder can irritate the eyes, nose and mouth, so full face coverage is important. It is also recommended that you wear clothing that fits snugly and comfortably and cover clothing with an apron or apron. If glass powder gets on your skin, it can cause itching and discomfort.
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