Views: 0 Author: Site Editor Publish Time: 2021-12-30 Origin: Site
Both flame-retardant cables and fire-resistant cables are commonly used cables, both of which are widely used in many industries. Although these two cables are commonly used in construction, the difference between them is still very big. Does the user have a specific understanding of distinguishing these two types of cables?
Product features and uses of fire-resistant control cables: It has high fire-resistant performance, can withstand the flame directly burns, and does not have the advantages of short-circuit and short-circuit within the control time. In the event of a fire, it can effectively reduce the loss. Low-smoke halogen-free cables are environmentally friendly cables, especially used in industries such as power, large-scale buildings, railways, and ships with high fire-fighting requirements. Its long-term working maximum temperature: flame-retardant PVC insulation and sheath 80℃ and 120℃; fluoroplastic insulation and sheath 280℃ and 360℃; cross-linked polyethylene insulation 100℃; low-smoke halogen-free flame-retardant polyolefin 90 ℃; Low-smoke halogen-free flame-retardant cross-linked polyolefin at 100℃ and 130℃.
The flame-retardant cable has the obvious electrical and physical and chemical functions of the general cable, and it is also self-extinguishing, that is, it is not easy to burn. When the cable catches fire or an external fire spreads, the cable will no longer burn after the fire is extinguished. And the burning time is very short and does not exceed one hour. Compared with halogen-containing flame-retardant cables, halogen-free flame-retardant cables have the advantages of low toxicity, low smoke and halogen-free. The flame retardant level is not high, basically it is C type. It is that the energy efficiency of oxygen swallowing fire extinguishing by halogen free radicals is greater than the energy efficiency of non-halogen flame retardant degradation temperature.
Oxygen barrier flame retardant technology If a layer of inorganic metal hydrate is filled between the cable insulation core and the cable outer sheath, it is a non-toxic, odorless, and halogen-free white glue. Oxygen barrier flame-retardant cables can be used in low, medium and high voltage power cables, control cables and communication cables without changing the cable structure and the original parameters of the materials, and make the cables flame-retardant Class A.
Both flame-retardant cables and fire-resistant cables are commonly used cables, both of which are widely used in many industries. Although these two cables are commonly used in construction, the difference between them is still very big. Does the user have a specific understanding of distinguishing these two types of cables? Let me introduce it in detail below.
Product features and uses of fire-resistant control cables: It has high fire-resistant performance, can withstand the flame directly burns, and does not have the advantages of short-circuit and short-circuit within the control time. In the event of a fire, it can effectively reduce the loss. Low-smoke halogen-free cables are environmentally friendly cables, especially used in industries such as power, large-scale buildings, railways, and ships with high fire-fighting requirements. Its long-term working maximum temperature: flame-retardant PVC insulation and sheath 80℃ and 120℃; fluoroplastic insulation and sheath 280℃ and 360℃; cross-linked polyethylene insulation 100℃; low-smoke halogen-free flame-retardant polyolefin 90 ℃; Low-smoke halogen-free flame-retardant cross-linked polyolefin at 100℃ and 130℃.
The flame-retardant cable has the obvious electrical and physical and chemical functions of the general cable, and it is also self-extinguishing, that is, it is not easy to burn. When the cable catches fire or an external fire spreads, the cable will no longer burn after the fire is extinguished. And the burning time is very short and does not exceed one hour. Compared with halogen-containing flame-retardant cables, halogen-free flame-retardant cables have the advantages of low toxicity, low smoke and halogen-free. The flame retardant level is not high, basically it is C type. It is that the energy efficiency of oxygen swallowing fire extinguishing by halogen free radicals is greater than the energy efficiency of non-halogen flame retardant degradation temperature.
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