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Strength: Endurable Wind Pressure Level (kg/m²)
 
Level
160 
200
240
280
360
FLOOR
1-3FL          
4-6FL          
7-12FL          
13-23FL          
24-33FL          
   
Waterproof Level (kg/m²) 
Level
Choosing Level
10
City
       
15
City
Village
     
25
City
Village
1-5 FL
   
35
Village
1-5 FL
6-9 FL
 
50
   
1-5 FL
6-9 FL
10 and above
75
       
10 and above
100
       
10 and above
150
       
10 and above
Pressurization Level (m³/hE
Level
30 and below
8 and below
2 and below
Sound Insulation Level (dB)
Model
dB

CH-1360 AT-DD
(the 3 series of pressurization catch)

STC-40

CH-850 B

STC-31

CH-850 ATB
(the 3 series of pressurization catch)

STC-36

CH-860 B

STC-36

CH-860 ATB
(the 3 series of pressurization catch)

STC-40

CH-960 B

STC-36

CH-960 ATB
(the 3 series of pressurization catch)

STC-40

CH-1260 B
(the 3 series of pressurization catch)

STC-36

CH-1260 ATB
(the 3 series of pressurization catch)

STC-40

CH -937 F /B

STC-37

 
   
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