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Soda-lime glass can be blown at the end of a metal tube, or, more commonly wound on the mandrel to make a hollow bead, but the former is unusual and the latter not a true mouth-blown technique.) In addition, beads can be fused from sheet glass or using ground glass. Modern Ghana has an industry in beads molded from powdered glass.
Hydrated water gel, or water beads. Water crystal gel or water beads or gel beads is any gel which absorbs and contains a large amount of water.Water gel is usually in spherical form and composed of a water-absorbing superabsorbent polymer (SAP, also known as slush powder in dry form) such as a polyacrylamide (frequently sodium polyacrylate).
The manufacture of mosaic beads can be traced to Ancient Roman, Phoenician and Alexandrian times. Canes, probably made in Italy, have been found as far away as 8th century archaeological sites in Ireland. [6] Millefiori beads have been uncovered from digs at Sandby borg, Öland, Sweden, dating apparently from the late 5th or early 6th century. [7]
Beadwork is the art or craft of attaching beads to one another by stringing them onto a thread or thin wire with a sewing or beading needle or sewing them to cloth. [1] Beads are produced in a diverse range of materials, shapes, and sizes, and vary by the kind of art produced.
The solution process uses a water-based monomer solution to produce a mass of reactant polymerized gel. The polymerization's own exothermic reaction energy is used to drive much of the process, helping reduce manufacturing cost. The reactant polymer gel is then chopped, dried and ground to its final granule size. Any treatments to enhance ...
Millefiori beads. Glass beads (a.k.a. Murano beads) were made by the Venetians beginning in the 1200s. The beads were used as rosary beads and jewelry. They were also popular in Africa. Christopher Columbus noted that the people of the New World (Native Americans) were "delighted" with the beads as gifts, and beads became popular with American ...
Two principal techniques are used to produce seed beads: the wound method and the drawn method. The wound method is the more-traditional technique, is more time-consuming, and is no longer used in modern bead production: in this technique, a chunk of glass known in glassmaking as a gather and composed mainly of silica is heated on an iron bar until molten.
Ion-exchange resin beads. An ion-exchange resin or ion-exchange polymer is a resin or polymer that acts as a medium for ion exchange, that is also known as an ionex. [1] It is an insoluble matrix (or support structure) normally in the form of small (0.25–1.43 mm radius) microbeads, usually white or yellowish, fabricated from an organic polymer substrate.