Nippon Sheet Glass Spacia
About Spacia
Who invented SPACIA?
Summary
The principle
Benefits
Condensation free
Sound reduction
Thin and light window
Products specification
Warranty,Precaution
Spacia21
About SPACIA-21
Performance
Products specification
Energy saving effect
Preventing condensation
Precaution
About laminated SPACIA
Performance
Available size
Precaution
Company
Contact
Peformance
Figure11: Sound reduction effect   (TL: Transmission loss, f: Frequency)

                         

                          

                           

 

 

Figure12: Performance in anti-burglar

 

Table4: Optical properties of laminated Spacia, "Shizuka" and "Mamoru"

Product type Shizuka Mamori
ST ES ST ES
Glass combination SpaciaSPACIA-ST SPACIA-ESSPACIA-ST SPACIA-ES
Laminated Layer (L) LL LL
1.2mm thickness PC sheet    PC sheetPC sheet
LL
Single Pane FL3FL3 FL3FL3
Color Transmission NeutralLight green NeutralLight green
Reflection NeutralLight green NeutralLight green
Total glass thickness (mm)9.79.7 10.710.7
Visible light Transmittance (%) 72.664.970.8 63.3
Reflectance (%) IN 17.116.5 15.616.4
                             OUT15.119.8 15.719
Solar reduction Transmittance (%) 56.742.855.5 41.9
Reflectance (%) 12.426 12.924.2
UV light transmittance (%)0.2 0.10.1> 0.1>
Thermal insulation U-value (W/m2K) 1.51.2 1.51.2
K-value (kcal/m2hrC) 1.31.1 1.31.1
Solar heat gain Summer0.62 0.470.67 0.46
Winter 0.620.47 0.670.53
Shading coefficient (SC)Summer 0.710.530.76 0.53
Winter 0.700.53 0.760.52
Sound reduction (JIS Grade)T-3 (G35)T-3 (G35) T-3 (G35)T-3 (G35)
 
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"SPACIA" is registered trademarks of Nippon Sheet Glass Co.,Ltd.