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Using bronze, brass, or gold in your design? Think PVD.

Physical Vapour Deposition (PVD) is a collective set of processes used to deposit thin layers of material to metal surfaces to give them a hard durable coating. It is commonly used in the architectural and interior design industry to add colour to stainless steel and help extend the life of a number of different architectural products internally and externally. The PVD processes are carried out in a high vacuum with temperatures ranging between 150°C and 500°C and are environmentally friendly.

The PVD process consists of three fundamental steps:

1. Vaporisation: this is the process where a high energy source bombards a target and dislodges atoms from its surface, vaporising them.

2. Transportation: this involves the movement of the vaporised atoms from the target to the subject piece being coated.

3. Condensation: this is the final stage of the process where the vaporised atoms bond to the subject’s surface, and they can even penetrate the surface slightly, to give a lasting level of adhesion.

There are different types of PVD processes that can be applied to certain types of materials:

The PVD process is becoming more common in the architectural and interior design industry due to architects and designers wanting new and innovative finishes to products. PVD coated products such as metal meshes and perforated sheets are fine to be used externally and will not wear, scratch or corrode. By using PVD you are able to mimic more expensive materials such as bronze, brass and gold.