Metallic Media

Metallic filter media are widely used throughout the chemical and process industries in the form of perforated or slotted plates of steel, bronze or other materials. These designs provide for easy removal of coarse particles and for supporting loose rigid media. Powdered metal is a porous medium. The physical characteristics, chemical composition, structure, porosity, strength, ductility, shape and size can be varied to meet special requirements. The porosity ranges up to 50% void by volume, tensile strength up to 10,000 psi, varying inversely with porosity, and ductility of 3-5% in tension, and higher in compression.

Table 3. Physical properties and chemical resistance of polyester fibers.a

Specific Gravity 1.38

Moisture Regain

At 65%RH and 68°F(20°C)(%) Water Retention Power (%)

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