The product has the following characteristics: 1. High filtration efficiency; 2. Large dust holding capacity; 3. Excellent water resistance and moisture resistance. At the same time, it can produce flame-retardant, washable flame-retardant, and fully synthetic fiber filter materials, which are widely used in internal combustion engine air filtration of heavy trucks, light trucks, and construction machinery, as well as fresh air filtration systems in public places and industrial clean and dust-free workshops.
Longde company can produce all kinds of air filter papers with different performance, and developed heavy air filter papers with high precision and long life, thereinto, the newly developed flame retardant filter papers can reach the Germany S4 flame retardant grade after the Swiss SGS testing agencies detected and have the international leading level.
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