Sound insulation cotton products

Material layers of sound absorption

Item	Property
Acoustic absorption coefficient %(500HZ)	Single-layer structure8
	Interlayer or double layers10
	Wrapping structure10
Sound insulation dB(500HZ)Tensile strengthN/cm2	Single-layer structure5
	Interlayer or double layers8
	Wrapping structure15
	15
Moisture content(%)	9
Combustibility	Flame resisting grade B1
Density(Kg/m3)	7010
High temperature resistance(1502 hour)	The color is not changed, no yellowing
Features,shock absorption, sound insulation, sound absorption
Widely used in the industries including household appliances, vehicles, ships, buildings and refrigeratory etc..
Dimension and profile are in accordance with drawing

damp rubber layer£¨PVC slab rubber£©

Item	Property
Hardness	705
Tensile strengthN/cm2	60
High temperature resistance(10024 hour)	3
Combustibility£¨18010times£©	No cracking
Density(g/cm3)	0.7+0.1/0 or 2.1+0.1/0
Combustibility	Flame resisting grade B1
Features£ºdamp, shock absorption
Widely used in the industries including household appliances, vehicles, ships, buildings and refrigeratory etc..
Dimension and profile are in accordance with drawing.