Specifications
Product Category : Wall and Ceiling
Composition : Polyester Fiber
Weight : 400 gram / m2
Density : 200 kgs/Cubic.m +/-
Thickness : 2 mm. +/-10%
Size : 1,400 mm x 2,800 mm
Dimension :
Performance
Sound Transmission Class : STC 5, ISO 717 Part 1
Sound Absorption : NRC 0.10 with no air gap, ISO 354
Color Fastness to Light : > 6, ISO 105 B02-1994
Reaction to Fire : EN 13501-1, Class B-s1, d0
Indoor Air Quantity : Low VOCs emission formaldehyde and Phenol-free
Moisture Content : < 0.10% by weight

The NRC coefficient is subject to material thickness. 12 mm thus has a value of 0.45. Please see technical details below for further clarification of values.