Is gold PVD better than gold filled?
Summary: Gold PVD (Physical Vapor Deposition) is generally considered better than gold filled for certain applications due to its superior durability, purity, and environmental benefits. However, the choice between the two depends on specific requirements such as cost, thickness of the gold layer, and the desired appearance.
Explanation:
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Durability: Gold PVD is applied in a high-energy plasma environment, which allows for a very strong bond between the gold layer and the base metal. This results in a coating that is harder and more resistant to wear and tear compared to gold filled, which uses high temperature and pressure to bond gold mechanically to the metal. The durability of PVD gold is particularly beneficial for high-end jewelry that needs to withstand frequent use and exposure to the elements.
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Purity and Thickness: PVD gold is applied in a single atom layer, ensuring extreme purity and a consistent color. In contrast, gold filling involves a thicker layer of gold, which might be more suitable for applications where a thicker gold appearance is desired. However, the purity of the gold layer in gold filling might not be as high as in PVD, affecting the overall quality and appearance of the jewelry.
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Environmental Impact: Gold plating, which is similar to gold filling in terms of process and environmental impact, involves chemical baths that are not environmentally friendly. PVD gold, on the other hand, is a more eco-friendly process as it does not involve harmful chemicals and produces less waste.
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Cost: While gold filling requires more gold and is therefore more expensive in terms of material costs, PVD gold might be more expensive in terms of the equipment and expertise required for the process. However, the longer-lasting nature of PVD gold can offset these initial costs in the long run, making it a potentially more cost-effective solution for certain applications.
In conclusion, gold PVD is generally better than gold filled for applications that require high durability, purity, and environmental friendliness. However, the choice between the two should be based on specific project requirements, taking into account factors such as cost, desired thickness of the gold layer, and the intended appearance of the final product.
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