The secondary coating refers to the protective layer added to the primary coating or buffer layer of the optical fiber. It can enhance the fiber's ability to withstand longitudinal and radial stress, facilitating further processing of the fiber. Generally, it is divided into two main categories: loose tube coating and tight tube coating.
Halogen-free flame-retardant optical cables use flame-retardant polyethylene sheath material instead of the ordinary polyethylene sheath material of regular optical cables, giving the optical cables flame-retardant properties while maintaining the same structural dimensions, transmission performance, and mechanical and environmental characteristics as regular optical cables.
With the development of technology, high-temperature resistant optical fibers are receiving increasing attention and importance. This is because high-temperature resistant optical fibers have excellent performance and characteristics, allowing them to operate normally in extreme environments such as high temperatures and strong radiation. Therefore, they have a very broad application prospect and market space in certain special fields. This article will introduce the application of high-temperature resistant optical fibers in aerospace, disaster monitoring, nuclear energy, and oil extraction.
Colored plastic optical cable refers to an optical cable that is wrapped with a layer of black PE sheath around the communication plastic optical fiber, with another colored PE sheath covering the black PE sheath. This optical cable is mainly used for short-distance information transmission between 50m and 100m.
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