Thermal reflective insulation made of two external pure aluminum foil layers covering a double core layer of polyethylene bubble film.
Structure of insulation
(Click on image to enlarge)
技術資料 (Technical Specification)
性質 (Property)
單位(Units)
Dir
數值 (Value)
厚度 Nominal thickness
mm
8
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
3.06
噪音降低係數 Noise Reduction Coefficient (ASTM E-384)
%
55%
聲音傳遞值 Sound Transmission Class (ISO 171-1)
dB
-6
拉力強度 Tensile strength @peak (ASTM C-1136)
g/cm-width
MD
2650
TD
2750
展延性 Elongation @peak (ASTM C-1136)
%
MD
18.7
TD
18
撕裂強度 Tear strength (ASTM D-1938)
N
MD
12.5
TD
13.5
耐撞擊 Puncture resistance (TAPPI T 803)
Joule
4
防焰等級 Surface Flame Spread ** (BS 476:Part 7)
Class 1
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
抗腐蝕 Corrosion Resistance (Internal Test)
Conc.HCl
High Resistance *
每M2 重量 Yield (nominal)
g/m2
320
捲材尺寸 Standard Roll Size
m x m
1.20 x 40
捲材重量 Standard Roll Weight (Gross)
kg
±15.4
* All products are supplied with high resistance (H.R.) treatment against corrosion as standard.
** Tested by Warrington Fire Research Centre Ltd. U.K. (Test Report No.121611)
