Showing posts with label Sterling. Show all posts
Showing posts with label Sterling. Show all posts

Saturday, April 23, 2011

Sterling Silver and Allergic reactions to Metal


Sterling Silver and Allergies



The simple truth is people are not usually allergic to silver or sterling silver. Instead a metal known as nickel, which has been used in sterling silver. Sterling silver is an alloy consisting of 92.5% silver and 7.5% other metals, traditionally copper, and often some manufacturers will use nickel in silver as a less expensive option to other metals.



Why Sterling Silver?



Pure silver is simply too soft to produce any kind of functional pieces as well as loses shape as well easily. Other metals are added to improve characteristics such as ductility, firescale, tarnish resistance, and reducing casting porosity.



Why Nickel?



Nickel, is a hard and ductile, silvery whitened metal that has been mistaken for silver in the past. Nickel is commonly utilized in jewelry including with precious metals jewelry such as gold, white gold, sterling silver and platinum and also most cheap or even costume jewelry. Pennie is what gives white gold or platinum it's white colour by alloying more of this with yellow gold, as gold is not naturally found white or any other color than yellow. Other metals are used to make other colors of gold, for instance silver can be used to make green precious metal and copper can be used to make rose gold. Nickel adds many other properties besides colour, such as strength and durability, and it has a strong lustrous effect.



Metal Allergy Occurrence



Allergies to nickel occur in approximately 10% from the population, it is known as get in touch with dermatitis, and nickel is easily the most common metal to cause an allergic reaction. An allergic reaction to nickel utilized in jewelry usually causes a reddening of the skin, as well as itchiness or burning in the area of contact and often blistering of the skin, or a rash. There are variations in severity of metal allergic reactions and sometimes if you do not possess a severe allergy to a certain metal a piece of jewelry that contains a very small portion of that metal might not cause a reaction, whereas a piece of jewelry containing a high amount may cause a slight reaction.



Metal Allergy Development



While some are genetically predisposed to have a reaction to some alloys, others can develop metallic allergy over time along with regular exposure. This is common among most kinds of allergies. So, it is possible to have a favorite piece of jewelry, whether or not it is made from the precious metal such as gold or platinum or even silver, that has been put on many times or consistently for years suddenly result in a reaction.



Nickel-Free is Not Necessarily Allergy-Free



Nickel free jewelry is also more expensive as it uses other higher priced metals in place of pennie. It should not be thought that nickel totally free jewelry is actually allergy free. People can be allergic to any type of metal including brass, copper and very hardly ever gold or silver. It is recommended when any jewelry causes any discomfort, such as the symptoms described over, you should seek a metal allergy test out of your physician to make certain guess what happens metal is causing this particular. Otherwise you might make the wrong assumption and wind up buying a whole new wardrobe of jewelry that may result in a reaction as well.



Article Source: articlemotron . com