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Fasteners without a special protective coating (the so-called “black”) are currently used less and less, because in addition to the mechanical effect that can cause the destruction of fasteners, the metals from which the fasteners are made are destroyed when interacting with the environment - this process is called corrosion. Therefore, our company offers its services in the manufacture of fasteners with a protective cadmium coating !! Color, mechanical strength and a number of other indicators of cadmium coatings are close to zinc. Cadmium coatings can also be chromated and phosphated. The protective properties of cadmium coatings under ordinary conditions are lower than zinc, but in marine conditions and with strong condensation of water vapor, such coatings are still used today.
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