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05 Apr 2016

What is the main purpose of fiber optic connector dust caps? To protect the connector end-face from dust? Not absolutely! Actually, a dust cap might also introduce dust and other contaminants to the polished end-face of a fiber optic connector in some cases. Then why use those fiber optic dust caps and what should be noticed when using them? This article will give you the answer.

Why Use Fiber Optic Dust Caps?

Dust is everywhere. Smaller dust particles that have a diameter of 1um or less can remain suspended in air for a very long time. Dust can easily find its way into a dust cap, and stow away until it has the opportunity to jump aboard your fiber optic connector end-face. Dust caps do a great job in protecting fiber optic...