Take a common adapter for example, it is generally made of corrosion-resistant plastic, which has good corrosion resistance and internal shading, and is composed of stainless steel clips, full flanges, dust plugs, high-precision ceramic sleeves and other components, which can ensure that the loss can be minimized while accurately connecting two connectors.
It should be noted here that the flange of the optical fiber adapter is mainly used to fix the adapter on the adapter panel, so a variety of fine fixing flanges are specially set.