The properties of needle punched felt

1. Heat resistance: having a melting point of 285 ℃, it is particularly long-term heat resistance, can be used continuously at a temperature of 190 ℃ and highly resistant to steam heat; even in high pressure steam of 160 ℃ in It can maintain a 90% strength. 2. Singeing calendering treatment can achieve easy cleaning effect. 3. Good resistance to hydrolysis, even at 160 ℃, 79% relative humidity under continuous use 500h. 4. Chemical resistance: excellent chemical resistance and chemical resistance comparable to a fluorine-containing fiber, at a temperature less than 200 ℃ or 200 ℃, it can most acids (except for some such as concentrated nitric acid and the like several outside oxidant) base and an organic solvent stable chemical resistance. 5. Mechanical characteristics: in its strength, elongation and elasticity substantially the same as the polyester. 6.  Flame resistance: It shows a high level of flame retardancy and pyrophoric (LOI Limiting Oxygen Index 34-35). 7. Radiation resistance: for λ-rays, the temper lines of radiation tolerance, a substantial improvement over traditional nylon and polyester. 8. Electrical Characteristics: under conditions of high temperature, high humidity, and high-frequency, continuous display of the stable electrical characteristics.

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