{"id":17060,"date":"2022-05-06T17:15:06","date_gmt":"2022-05-06T15:15:06","guid":{"rendered":"https:\/\/tuberiasdelsur.com\/?post_type=product&p=17060"},"modified":"2026-04-28T13:49:44","modified_gmt":"2026-04-28T11:49:44","slug":"espuma-de-expansion","status":"publish","type":"product","link":"https:\/\/tuberiasdelsur.com\/en\/product\/expanding-foam\/","title":{"rendered":"EXPANSION FOAM"},"content":{"rendered":"

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Polyurethane foam is a single-component, expanding product for thermal and acoustic insulation. Adhesion to any type of construction material. Once hardened, it can be cut, sanded, painted, etc. It is resistant to ageing and large temperature differences.<\/p>\n

Color<\/strong>: Yellowish
\nExpanded specific weight<\/strong>: 20-25 Kg.\/m3
\nExpanded volume\u00a0<\/strong>35 lt.
\nTensile strength<\/strong>: at + 20\u00baC 11 N\/cm2 at \u2013 20\u00baC 18 N\/cm2
\nElongation and Breakage<\/strong>\u00a0(DIN 53455) 25%
\nFlexibility<\/strong>: 15 N\/cm2
\nCompressive strength<\/strong>: 60 KPa
\nWater absorption (DIN 53428)<\/strong>: 0.3 % vol.
\nResistance to atmospheric agents<\/strong>\u00a0Yeah
\nThermal conductivity (DIN 52612)<\/strong>: 0.07 W\/m\u00baK
\nTemperature resistance (continuous)<\/strong>: \u2013 40\u00baC + 90\u00baC
\nProduct application temperature<\/strong>: +5 to + 35\u00baC
\nSubstratum<\/strong>: +10 to +35\u00baC
\nOptimal application temperature<\/strong>: 20\u00baC
\nTack free<\/strong>\u00a0: 10 min.
\nTime to be able to cut it<\/strong>: 1 hour
\nCellular structure<\/strong>\u00a070 % closed
\nElastic limit<\/strong>\u00a0(DIN 53455) 175 Kpa
\nDimensional stability<\/strong>\u00a0(after 24 hours) 0-2%
\nAdherence<\/strong>: Wood, concrete, stone
\nMetals<\/strong>: excellent
\nSilicone<\/strong>: It doesn't stick<\/p>\n

Tests performed on a 20mm foam bead at 20\u00baC and relative humidity of the 60%.<\/p>\n