Glass fiber needle felt surface is laminated with aluminum foil or plastic cloth, glass fiber cloth and so on. After being cut into strips, it can be used for heat preservation and protection of hot and cold pipes and underground pipes; noise insulation of generator sets can also be used for thermal insulation and sound insulation of color steel tiles. The effect is excellent.
The characteristics of the glass fiber needle felt used in the muffler core are: high porosity, large sound absorption, and low thermal conductivity. In addition, the glass fiber itself has the characteristics of high heat resistance, good toughness, and corrosion resistance. Therefore, glass fiber needle felts in various automobile production countries are widely used in the field of mufflers for automobiles and motorcycles. First, the use of glass fiber needle felt excellent sound-absorbing performance to achieve noise reduction; Second, the use of glass fiber needle felt high heat insulation and heat resistance so that the mixed gas in the exhaust pipe in a high temperature environment for full chemical reaction, Exhaust gas thus achieves low emissions.
The glass fiber needle felt has the advantages of dimensional stability and high strength, and uses 100% alkali-free glass fiber as raw material, high-count glass fiber yarn, and velvet needle punching. The glass fiber needle felt has good resistance Heat, flame retardant, antiseptic effect, with a three-dimensional micro-porosity structure, high fiber voidage, low gas filtration resistance, dust removal efficiency over woven filter material, filtration speed higher than that of woven filter material, glass fiber acupuncture Felt is currently the product of choice for blast furnace gas and flue gas filtration.