Soft foam

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A soft foam consisting of polyesters is conventionally referred to as soft foam . It is known as a soft foam sheet made of polyurethane . The structure of the panels is open-cell, so they are air-permeable.

Soft foams are often used as insulating material for soundproofing or as inner lining for various items of clothing. But they are also used as filter media in depth filtration . They have the advantage of being moisture-resistant and washable. The soft foam used for seats or mattresses can contain tris (2-chloroisopropyl) phosphate as a flame retardant . Another area of ​​application of flexible foams is their use as a resource for measuring emissions of polychlorinated dibenzodioxins and dibenzofurans .

Individual evidence

  1. ↑ VDI 3727 sheet 2: 1984-11 sound insulation through structure-borne sound absorption ; Instructions for use. Beuth Verlag, Berlin, p. 9.
  2. ↑ a b VDI 3677 sheet 2: 2004-02 Filtering separators; Depth fiber filters (filtering separators) . Beuth Verlag, Berlin, p. 27.
  3. ↑ VDI 4301 sheet 5: 2009-04 Measurement of indoor air pollution ; Measurement of flame retardants and plasticizers based on organophosphorus compounds; Phosphoric acid ester (Measurement of indoor air pollution; Measurement of flame retardants and plasticizers based on organophosphorous compounds; Phosphoric acid ester). Beuth Verlag, Berlin, p. 6.
  4. ↑ VDI 3499 sheet 3: 2004-02 measurement of emissions; Measuring polychlorinated dibenzo-p-dioxins (PCDD) and dibenzofurans (PCDF); Cooled Suction Tube Method; Embodiment to DIN EN 1948 in the concentration range <0.1 ng I-TEQ / m 3 and supplement for the concentration range> 0.1 ng I-TEQ / m 3 (Emission measurement; Determination of polychlorinated dibenzo-p-dioxins (PCDDs) and dibenzofurans (PCDFs); Cooled probe method; Example of application of DIN EN 1948 for the concentration range <0.1 ng I-TEQ / m 3 and supplement to DIN EN 1948 for the concentration range> 0.1 ng I-TEQ / m 3 ). Beuth Verlag, Berlin, p. 15.