Non-alkali glass fiber belt production principle? Dacheng Xiangdong Insulation Refractory Material Factory 13473696600 15731614448
The main principle of alkali-free glass fiber belt:
The main principle of the toughness high flame retardant insulation layer cable is to add metal hydrate components to the material. The material used for the toughness high flame retardant fire barrier layer is a strip that combines flame retardant, heat absorption and oxygen barrier. It can realize high flame retardancy of low-halogen low-smoke, halogen-free low-smoke and flame-retardant cables, and can effectively improve the flame retardant grade of cables.
Flame retardant mechanism of alkali-free glass fiber belt:
The fire barrier layer of the toughness high flame retardant fire barrier cable is decomposed into metal oxides and precipitated crystal water in the event of fire, and the metal oxide decomposes to form a network structure, which has a certain adsorption effect on the flue gas. The precipitated crystal water not only has obvious sedimentation effect on the soot, but also has a good endothermic effect. In addition, a carbonized structure can be formed during the combustion process. This carbonized layer plays a huge role in the low smoke and flame retardancy of the cable. The endothermic action delays the burning speed and the sharp rise time of the cable itself when it starts to burn, due to carbonization. The formation of the structure, which hinders the supply of oxygen and the flow of flammable gas, thus resisting the burning of the cable
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