Specifications:
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Dimensions: 20 х 20 inches / [50x50cm];
• Material: open cell polyurethane foam;
• Density: 1.8 lb/ft3 (30 kg/m3);
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NRC range: approx. 0.2 — 0.94;
• Compression strain: 3.7 - 4.3 kPa. (40% compression);
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Permanent deformation, %, up to: 3.6 (22 h. 50% compression at 158 °F);
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Tensile strength: from 90 kPa;
• Withstands temperature: approx. 122 °F;
• Number of pores per 1 cm2: about 400;
• Number of large pores per m2: ≦ 1%;
• Panel thickness error margin: up to 0.2 inches;
• Panel area error margin: up to 0.6 inches;
• CIELAB chromatic error range: Delta E ≦ 5;
• Documentation: technical specifications; health and safety certificates; quality certificates;
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Manufacturer: ua-acoustics.com
Please note:
Acoustic foam is supplied in a compressed form. This cuts the delivery fee for up to 75%, since most shipping companies calculate shipping costs based on the volume of the shipment. For this reason, after unpacking the material, it should be left to absorb air and restore its shape for some time. Typically, this takes no more than 1-2 days if the foam is left unpacked in a warm room immediately after receiving, provided that the time from packing to unpacking has been 10 days or less. On a rare occasion the volume restoration process may take longer (up to 10 days), especially in a colder room. It is highly recommended to unpack the acoustic foam in a warm room, regardless of how soon you are planning to use it. The faster the acoustic foam is unpacked and the warmer is the room where it is stored afterward, the faster it will restore its natural volume. To speed up the process, you can warm the foam using an ordinary household hairdryer, by directing the warm air flow at the material from the distance of at least 3.3 feet so as not to damage the material. It is not recommended to store acoustic foam compressed for more than 30 days, since this can significantly increase the volume restoration times. Storing acoustic foam in the compressed form for longer than six months may render volume restoration process extremely long and/or partially ineffective.