Master A

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Master A
Suitable for schools, open plan offices or other premises in which especially strict demands are made on good acoustics and speech intelligibility, and where facilities must be provided for demounting individual ceiling tiles. Ecophon Master A is installed in an exposed grid system creating a ceiling with a traditional chequered pattern. Each tile is fully demountable.


	Ecophon Master A has a glasswool core and is available with three different surface coatings to meet different sound absorption needs: alpha (Akutex T), beta and gamma. The back of the tile is covered with glass tissue. The edges are painted.


	Ecophon Master A is available in 600x600, 1200x600 and 1200x1200mm tiles.


	obtained by testing in accordance with room method (IN ISO 354). Master A/alpha has NRC value 0.95 measured according to ASTM C 423 in an E-400 mounting.

Min. overall depth of system:	with adjustable hanger 100mm, with direct fixing bracket 50mm
Min. demounting depth:	150mm (200mm with 1200x1200)
Max. loading:	Live load 40N, suspension 160N
Weight:	appr. 5 kg/m2, including suspension grid system
Accessibility:	easily demountable
Cleaning:	daily dusting and vacuum cleaning and weekly cleaning with a damp cloth
Moisture resistance:	withstands a permanent ambient relative humidity of up to 95% at 30°C
Handling and mechanical strength:	very good handling properties and relatively good mechanical strength
Light efficiency:	white 010, 87% light diffusion, 84% light reflectance
Fire safety:	BS 476 Parts 6 and 7, ASTM E84, DIN 4102, M0 (France), Nordtest Fire 003 and 004
Indoor climate:	Achieves the Nordic “Swan” eco-label, certified in accordance with the Indoor climate label, recommended by Swedish Asthma and Allergy Association, Cleanroom class M3.5/100 US federal standard 209E
Environmental influence:	Achieves the Nordic “Swan” eco-label. Fully recyclable.

Master D, Master E, Master F

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