Material Polyester Weight 1140 (g / m2) Thickness 1.3 ventilation volume (10-3m3 / m2.S) 100 (mm) Breaking strength after 8000 Elongation at break (%) by (N / 5 × 20cm) 3000 woof woof temperature 120 ℃ temperature continuous use temperature of 130 ℃ instantaneous characteristics: high filtration efficiency, high-strength, low elongation, long life, good chemical stability. Uses: The product is mainly used in metallurgy, mining, coal, chemical, food, pharmaceutical and other industries.