Thermal and Acoustic Reflective insulation made of two pure aluminum foil layers covering a single or double core layer of large bubble film specially formulated for increased acoustic attenuation.
Structure of insulation
(Click on image to enlarge)
技術資料 (Technical Specification)
性質 (Property)
單位(Units)
Dir
數值 (Value)
1kg/m2
2kg/m2
厚度 Nominal thickness
mm
9
17
穿透率 Emmisivity (ASTM C 1371)
0.05
反射率 Reflectivity (ASTM C 1371)
0.95
熱阻值R Heat resistance (R)-under roof
m2·0C/W
Down
3.06
3.16
Heat resistance (R)-wall cavity
m2·0C/W
Horiz
1.69
1.81
聲音傳遞值 Sound Transmission Class ISO 717-1
dB perp.
-11
-16
System STC Range (Inside Measurment)
dB
out in
-20 to -50
防焰等級 Surface Flame Spread* (BS 476 :Part 7)
Class I
汽化量 Water Vapor Transmission (ASTM E-96)
g /ft2·hr
0.018 (method A)
防菌性 Fungal Resistance Test (ASTM C 1338)
No fungal growth
每M2 重量 Yield (nominal)
g/m2
1000
2000
捲材尺寸 Standard Roll Size / Sheet Size
m x m
1.2x15
1.2x2.5
捲材重量 Standard Roll Weight (Gross)
kg
±18
6.0
* Tested by Warrington Fire Research Centre Ltd. U.K. (Test Report No.121611)