Cold Insulation Glass Wool Blanket Sound Absorption Coefficient
Introduce
This product is a kind of tabular material which produced by Pressure Molding through extremely fine cotton felt add aerodux.You can not only stick PVC membrane but also paste the aluminum foil on on the surface of it .The weight of this product is light ,the absorption coefficient is large, flame retardant,and has excellent chemical stability.
Item | Unit | Index | Measured Value | Remarks |
Density | kg/m3 | 10-100 | 10-100 | GB/T 13350-2000 |
Average | m | 4.0-6.0 | 4.0-6.0 | GB/T 13350-2000 |
Moisture resistivity | % | >98.5 | >98.5 | JISA9512-2000 |
Conductivity | W/m.k | 0.045-0.032 | 0.045-0.032 | GB/T 13350-2000 |
Incombustibility | Incombustible | up to standard(Grade) | GB/T 13350-2000 | |
Sound absorption coefficient | 1.03product reverberation positioning 24kg/m3 2000HZ | GB/J47-83 | ||
Max working temperature | 400 | GB/T 13350-2000 |