性質 (Property)

單位(Units)

Dir

數值 (Value)

厚度 Nominal thickness

mm

16

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 (ASTM C 1363)

m2·0C/W

Down

3.72

Heat resistance (R)** - under roof (ASTM C 1363)

m2·0C/W

Up

1.46

Heat resistance (R) - wall caviey

m2·0C/W

Horiz.

2.10

噪音降低係數 Noise Reduction Coefficient (ASTM E-384)

%

55%

拉力強度 Tensile strength @peak (ASTM C-1136)

g/cm-width

MD

4200

TD

4000

Tear strength (ASTM D-1938)

N

MD

15.0

TD

15.0

耐撞擊 Puncture resistance (TAPPI T 803)

Joule

4.5

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

每M2 重量 Yield (nominal)

g/m2

336

捲材尺寸 Standard Roll Size

m x m

1.2x20

捲材重量 Standard Roll Weight (Gross)

kg

±8.4