Filter foam PPI - 20 black 1.5x1m thickness 20mm Widely used in the construction of industrial systems, this foam filtration PPI - 20, easily compressible, has very good physical properties (long life) and he who provide mechanical hardness low and good filtration of air as water. Features: Colour: Black Dimensions: 1.5x1m Thickness: 20mm Grade: Density 20 Kg / m3: 20 kPa Longitudinal tensile strength: transverse tensile strength 70 kPa: 70 Compressive strength at 50% kPa: 3 Packaging: filtration foam comes in good packaging for transport.