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Market technology status and development trend of low-smoke halogen-free flame retardant cable materials
Halogen-containing (especially bromine) flame retardant polymer systems have an absolute dominance in the flame retardant polymer market since the mid-1980s due to their outstanding flame retardant effect. One example is polyvinyl chloride (PVC) in the wire and cable industry, which still plays a major role in jackets and insulation.
With the advancement of society and the rapid development of science and technology, the inherent weakness of PVC (a large amount of smoke released during combustion, severe corrosive gases and toxic gases) has been invented.
Since then, the evaluation and search for alternatives to PVC materials has become the focus of debate. As early as 1986, Europe first discovered that PBDEs contained in combustion products, tetrabromobisbenzodioxane and tetrabromobisbenzofuran were carcinogens.
Until 2001, the United States discovered pentabromodiphenyl ether in succession. The bioaccumulation of decabromodiphenyl ether in wild falcon eggs was 400 times higher than that of domestic falcon eggs. The initiative to reject the production and use of brominated flame retardants was again initiated.
Today, more and more waterproof connector harnesses use this low-smoke, halogen-free harness to provide the quality of wire in harsh environments.
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