How to determine whether the network cable is flame retardant?

　　To determine whether the network cable is flame retardant, it can be tested by the following methods:

　　Appearance and logo inspection

　　Check the outer skin logo: Genuine flame retardant network cables are usually clearly marked with their category and flame retardant grade on the outer skin, such as "cat6a" (super six categories). Although the logo cannot directly prove flame retardancy, the network cable that lacks the necessary logo may not meet the flame retardant standards.

　　Observe the outer skin material: The outer skin of flame retardant network cable is generally made of materials with flame retardant properties, such as PVC (polyvinyl chloride) or low SMoke and halogen-free (LZSH) materials. These materials exhibit certain flame retardancy when burned.

　　Second, the flame retardant performance test

　　Combustion test: Use a lighter or professional combustion equipment to conduct a combustion test on the outer skin of the mesh cable. The outer skin of the genuine flame retardant mesh cable will gradually melt and deform under the combustion of the flame, but it will not spontaneously ignite or continue to burn. After burning, observe whether the outer skin is quickly extinguished and whether there is a large amount of smoke and toxic gases released.

　　Professional flame retardant testing: For applications that require higher flame retardant performance requirements, such as data centers, mines, etc., professional flame retardant testing methods and equipment can be used for testing. These tests usually include placing the network cable in the burner to ignite, and observing whether the combustion speed and self-extinguishing time meet the standard requirements.

　　III. Other performance tests

　　Although these tests are not a direct way to determine flame retardancy, they are helpful in evaluating the overall quality and safety of the cable.

　　Temperature test: Test the transmission performance of the network cable in a high temperature environment. High-quality flame retardant network cables can still maintain good transmission speed and data stability at high temperatures.

　　Corrosion resistance test: The wire used in humid and corrosive environments such as mines needs to be tested for corrosion resistance. Soak the wire in a corrosive reagent for a certain period of time to observe whether the surface is corroded or damaged.

　　IV. Reference to manufacturer certifications and standards

　　Check factory certifications: Choose well-known brands and certified cable manufacturers, who typically conduct rigorous flame retardancy testing and quality control of their products.

　　Reference to relevant standards: Understand and refer to relevant standards for the flame retardancy of network cables, such as UL standards (standards developed by American insurers) and IEC standards (standards developed by the International Electrotechnical Commission). These standards specify the flame retardant grade, test methods and qualification standards of network cables.

　　In summary, to determine whether a network cable is flame retardant, factors such as appearance and logo inspection, flame retardant performance testing, other performance tests, and manufacturer certifications and standards need to be considered. When purchasing and using network cables, it is recommended to choose certified and reliable flame retardant network cables to ensure the security and stability of network transmission.