Glass wool products are an ideal sound-absorbing materials and compared to other thermal insulation materials, sound-absorbing effect of which are the best, following the sound absorption coefficient by reverberation room method is, sound absorption coefficient is at frequencies of 250, 500, 1000.
Specifications :
Density (kg/m3)
Thickness T (mm)
Width W (mm)
Length L (mm)
32
25
600
1200
32
50
600
1200
40
25
600
1200
40
40
600
1200
40
50
600
1200
48
25
600
1200
48
50
600
1200
64
25
600
1200
64
50
600
1200
96
25
600
1200
96
50
600
1200
96
75
600
1200
Applied to steel quality room air ducts, fans, nacelle and other machines in the workplace been made of sound-absorbing insulation within the wall and ceiling.
Marine glass wool product
Glass fiber principal technical specifications :
Name
Density (kg/m3)
Thermal conduct (w/m.k)
Non-combustilble
Mean diameter of fiber
Shot content
Hydroscopicity (%)
Moisture resistivity (%)
Glasswool
24 ~ 96 (± 6%)
50℃(0.033)
Approved
≤ 6
≤ 0.3
≤ 5
≥ 98
100℃(0.040)
150℃(0.046)
200℃(0.048)
The sound absorption coefficient of glass wool
Vacuum
Thickness (mm)
Sound absorption coefficient
Glass fiber plate
20/25/30
0.61 ~ 0.80
≥ 40
> 0.80
Glass fiber felt
25
0.41 ~ 0.60
40/50/60
0.61 ~ 0.80
≥ 75
> 0.80
B) Glass Fiber Felt with faced compound material
Usage : For thermal insulation of outer iron sheet duct in roll packings.
Density : 16 ~ 50 kg/m3.
Faced compound material : Kraft paper aluminium foil / Glass fiber cloth aluminium foil / Glass fiber cloth / With muscles aluminium foil.
Glass Fiber Felt with faced compound material
Specifications :
Density (kg/m3)
Thickness (mm)
Length (mm)
Width (mm)
16
25/50/100/150
1000/1200/2800/5500/11000
600/1200
24
25/50/100
1000/1200/2800/5500/11000
600/1200
32
25/50/100
1000/1200/2800/5500/11000
600/1200
48
50/100/150
1000/1200/2800/5500/11000
600/1200
64
50/100/150
1000/1200/2800/5500/11000
600/1200
80
50/100/150
1000/1200/2800/5500/11000
600/1200
C) Glass Fiber Casing Pipe
Used for wrap layer of pipe insulation system (cold, hot or steam) exposed.
