FIELD: chemistry.
SUBSTANCE: present invention relates to flexible polyurethane foam, which is characterised by density of 25-70 kg/m3 according to measurement in accordance with ISO 845, compression deformation at 40% (NSD) of 5-15 kPa according to measurement in accordance with ISO 3386/1 under the condition of measuring hardness during the first cycle, volume increase at water saturation (%) of at most 25, and water buffer capacity of 40-60%. The invention also describes production and use of said polyurethane foam, as well as a plant growth medium, a green wall and/or a green roof, having said foam material.
EFFECT: obtaining flexible polyurethane foam having better stability at 100% water saturation and water buffer capacity coupled with high compression deformation at low density.
7 cl, 5 ex
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