The origin of imitation pearls
The imitation pearls that are often used in industrial production mainly include plastic beads, glass beads, solid glass beads, and shell beads.
1, plastic beads
It is a bead made of plastic, coated with pearl pigment on the outside, looks very beautiful, and is characterized by a light touch.
2, glass beads
As early as the 17th century, glass has been used to imitate pearls, Joquin of a French rose manufacturer, found that the water washed by the fish leaves a glittering substance, which is concentrated into pearl pigments. 1656 Zu Kun began to imitate pearls. He immersed it in acid gas with hollow glass beads, removed the luster of the glass, and then applied the pearl pigment he invented to the inside of the beads, and then added wax or glue to increase the weight of the beads. 4. Imitations often appear in ancient jewelry.
3, solid glass beads
Also known as Majorca, it is a kind of imitation pearl invented by the Spaniards. Because of the fine craftsmanship, it can be faked and famous. The majolica beads are made of milky white glass and then coated on the surface. Special flashing film made of fish scales. High-quality imitation beads should be coated with more than 30 layers, each layer should be applied at different times, which can produce interference and diffraction of light, so that the surface forms brilliant colors in the beads. In the process of nuclear coating, several steps of drying, cleaning and polishing of the immersion liquid are carried out. The final step is to use a special chemical immersion liquid, which may be cellulose acetate and nitrocellulose to polymerize organic substances to harden the surface. In order to avoid damage to the product, this imitation bead has a shape similar to that of marine cultured pearls. It is often embedded in modern style K gold jewelry, and its products are sold all over the world.
4, shell beads
The beads are ground with beads and then coated with pearl pigment on the surface of the beads to make shell beads.
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