ABS plastic imitation pearl
ABS resin is one of the five major synthetic resins. It is excellent in impact resistance, heat resistance, low temperature resistance, chemical resistance and electrical properties. It is also easy to process, stable in product size and good in surface gloss. Packing and coloring. Easy to peel, it is the cheapest of artificial pearls, and it is not used for a long time.
Glass pearl
The gloss is better than that of plastic pearls, and it takes longer to use, but it will peel off the skin with a knife.
Shell pearl
It is made of pearl powder or polished with mother-of-pearl. Beads are generally used to make large pendants. They are large in diameter, generally more than 12 mm. They are round and are imitations of natural pearls. It is also very easy to identify. There is a transparent film wrap on the outside of the bead. It can't be seen, but when it is forced to fall to the ground or scraped with a blade, the film will be destroyed and appear as if we put the transparent plastic. The feeling of breaking the bag is almost the same.
The simplest method of identification: If it is a natural pearl, use a knife to scrape off the pearl powder, scrape off the pearl powder, and rub the surface of the pearl with your hand. The skin of the real pearl is the same as before the scraping, and the fake scraping Not a powder but a skin.
Ways to identify true and false pearls:
1 look at the hole:
[Pearl] There are layered structural features in the perforated hole;
[Faux beads] The surface material is smashed, and a glass or plastic core can be seen by careful inspection.
2 tooth test method:
[Pearl] gently slides the pearl from the teeth, with a sense of sand;
[Faux beads] no sand and smooth.
3 friction method:
[Pearl] Rubbed with two pearls, and there are real pearls with rough and sandy feelings;
[Imitation beads] and slipping each other is fake.
4 intuitive method:
[Pearl] has a natural rainbow light. In a string of necklaces, its size and shape are not very regular. The surface is generally visible to the naked eye (except for the rare black pearls, the South Sea pearls can not see the naked eye) Because they are naturally produced products, they cannot be as absolute as the machine molds are cast;
[Faux beads] The shape is spherical, the gloss is consistent, and there is no fainting, it looks very fake.
5 magnification method
[Pearl] Observing the surface of the pearl with a ten-fold magnifying glass, it is true that the shape of the sand dunes is blown by the wind;
[Faux beads] can only see the relatively uniform coating of the eggshell is fake.
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