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Copper Control Cable suppliers
The main characteristic of low smoke zero halogen flame retardant wire and cable for all of the materials do not contain halogen, and rarely in the release of the burning smoke. Halogenous cable release the toxicity of the fire is very terrible. If put in 30 min can be deadly toxic gas concentration of judgement is 1, so PVC toxicity index is 15.01, and no halogen polymers toxicity index was 0.79. Smoke from fires, strongly permeated make victims fail to clear direction, and thus prolong the retention time in the fire. According to relevant data, light transmittance was 70%, the person that "the ability to distinguish the object only 5 m or so. And polyvinyl chloride (PVC) combustion smoke emitted from the light transmittance of under 15%, the people in the smoke of cigarette, its bare distance is only about 2 m. Another feature of smoke is spread over a stream of abnormal quickly, speed can reach more than 20 m/min. Thus, using the low smoke zero halogen wire and cable is very important to ensure safety. - this section from the Shanghai construction J10166 DGJ08-93-2002-2002) "civil building wire and cable fire prevention design procedures".Copper Control Cable suppliers


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