Product for business; Material: Polyester; Specific Gravity: 1.38; Strength: 5.2 g/de; Stretch: 35 %; Melting Point: 260 °C; Heat Resistance: 130 °C; Acid Resistant: Yes; Alkaline Resistant: x; Weather Resistant: Yes. Uses: Cushioning, filter; Size: 35.4 x 39.4 inches (900 x 1000000 x 100 x 1000 x 100 x 100 x 10 mm)