Material quality polyester staple ?? g ?? weight (g / m2) 500 ?? degrees thickness (mm) 1.7 through? Gas? Volume (m3 / m2.min) 18 Breaking Strength (N / 5 × 20cm) by 1200 latitude 1400 Elongation at break (%) after 25 continuous use temperature latitude 40 instantaneous temperature 130 ℃ 150 ℃ temperature characteristics: porosity, permeability, and high dust collection efficiency, long service life. Acid, alkali moderate, good wear resistance. After heat treatment, the surface is smooth, easily deformed, easy cleaning. Running resistance, saving energy. Uses: The product is mainly used in steel, metallurgy, machinery, metallurgy, building materials, chemical, food, pharmaceutical, environmental protection equipment and other industries dust.