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  • 更新时间:【2015-4-24】 查看次数:【2832】
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Rock Wool Sandwich Panel 
Rock wool sandwich panel is not better than polystyrene and polyurethane sandwich  panel with regard to sole weight, heat conduction, compressive strength, water 
absorption rate and other physical and mechanical properties. However,  it can be used under the service temperature of 600℃. Besides, this type panel possesses the outstanding feature of being level A incombustibility, thus rock wool sandwich panel  serviceable range is expanded to light weight construction materials for high 
requirement on fire-protection rating. 

Rockwool sandwich panel:
Steel thickness: 0.3mm~0.7mm; 
Sandwich thickness: 50mm~250mm 
Availability width: 950mm, 1150mm 
Availability length: by customized 

Physical and mechanical properties of rock wool with sandwich panel:

Density(kg/m3)

Heat conductivity coefficientW/(m.k)
[Average temperature (70±5)℃]

Organic content (%)

Non-flammable

Maximum temperatur

 

Density

Limit deviation

 

Excellence

First Grade

Qualified

 

80

±10

±15

±20

≤0.044

≤4.0

A Grade

400

 

100       120

<0.046

600

 
 

150      160

≤0.048

 
 

 

Item

Units

Performance index

A

B

A

B

Density  ≥

kg/m2

30

30

30

30

Compression strength (Compressive stress under 10% deformation)           ≥    

kPa

100

100

100

150

Heat conductivity  coefficient   ≤

w/(m.k)

0.022

0.027

0.022

0.027

Water vapor permeability coefficient (23+2)℃/0% to 85%RH  ≤

ng/Pa.m.s

6.5

6.5

Water absorbing capacity  ≤

   

%

4

3

Flammability

gradeⅠ

Vertical Combustion

Average burning times (S)

30

30

Average burning intensity (mm)

250

250

grade Ⅱ

Level Combustion

Average burning times (S)

90

90

Average burning intensity (mm)

50

50


Characteristics: 
1) The fireproof performance is excellent: the materials and the technology of the panel have good fireproof performance, it can withstand the fire above 1000℃ The rock wool sandwich panel has passed the test that carry out by the country professional organization, the fireproof grade is A,incomplete combustion. 

2) The performance in heat reserve and heat insulate is good, the heat reserve and heat insulate performance of rock wool sandwich panel depends on the thermal conductivity λ=0.043W/m2K, it is calculated according to the proportion thickness of rock wool core material. 

3) The effect in sound insulate is excellent, rock wool sandwich panel will make any effect in preventing the transfer of the noise, especially suitable for the specific area where the scheduled flight pass. And if adopt the rock wool sandwich panel, the sound that make by the rain, hail will be decreased. Through the test , according to the ISO 717/82 and the UNI 8270/7 standard , choose the rock wool core material whose density is  100kg/m3, the effect in sound insulate can achieve RW=29~30 dB.


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