__________________________________________________________________________________________________ TECHNICAL DATA SHEET _______________________________________________________________________________________________________________________________________________________ CALME CATEGORY Broadband sound absorption with porous aluminium APPLICATIONS Type A: interior (offices, musea, auditoria, schools, hotels, restaurants, bars, public buildings, nursing homes, hospitals, concert halls, ..) Type C: swimming pools, outdoors applications, industry (sound walls, silencers, …) MOUNTING PLATE sintered porous aluminium POROSITY 40-45 % FINISH - embossed - corrugated - stucco - smooth (only 3 mm thickness) FIRE RATING Euroclass A1 (incombustible) DIMENSIONS - 600 x 600 mm (tolerance +/- 0.3mm by press cutting) - 1200 x 600 mm (tolerance +/- 0.3mm by press cutting) custom-made tiles possible THICKNESS 2 mm or 3 mm TOLERANCE Length and width: -0.35 mm / + 0.35 mm Thickness: +0.3 mm / +0.3 mm WEIGHT 3.33 kg / m² (thickness 2 mm) 5.0 kg / m² (thickness 3 mm) THERMAL CONDUCTION 96 kcl / mhC THERMAL RADIATION 18.4 W / m²K HEAT RESISTANCE 200 °C: reduction to 70 % 400 °C: reduction to 50 % 650 °C: melting point AIR FLOW RESISTANCE 218 rayls / mm ___________________________________________________________________________________________________ PO BOX 33 3001 LEUVEN BELGIUM T. +32-16 40 25 26 F. +32-16 40 07 26 E. [email protected] W. WWW.SONOGAMMA.COM

__________________________________________________________________________________________________ TECHNICAL DATA SHEET _______________________________________________________________________________________________________________________________________________________ DENSITY Calme A: 1.59 g/cm³ Calme C: 1.52 g/cm³ EXPANSION / CONTRACTION 0.6 mm per 1,2 running meter at an increase of temperature of 30° C MOUNTING with doublesided tape and screws or rivets (see the suppliers mounting instructions) BENDING Bendable to a radius of 3 m by hand, for a smaller radius use a bending machine. Minimum...

__________________________________________________________________________________________________ TECHNICAL DATA SHEET _______________________________________________________________________________________________________________________________________________________ Absorption coefficients Statistical absorption coefficients according to ISO 354 standard.: 0+50: 0+100: 50+0: 50+50: only 50 mm air cavity only 100 mm air cavity only 50 mm rockwool 50 mm rockwool and 50 mm air cavity ___________________________________________________________________________________________________ PO BOX 33...