Knauf Delta Alterné 12/20/66 R

Alpha w	0.8
Nominal	1188x1980 mm
Material	plâtre
Standard	DTU 25.41
Width mm	1188
Edge type	UFF
Length mm	1980
Perforation	rondes en continu
Thickness mm	12.5
Weight kg m2	9.5
Perforation code	12/20/66
Fire reaction class	A2-s1,d0
Main runner centres mm	400
Perforation rate percent	19.6
Absorption test condition	avec voile standard et laine minérale, plénum 200 mm

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