Silver brushed color aluminium composite sign panel
Option: One side silver brush or double sides silver brush
|
Physical Features Physical Parameter |
|
Item |
Standard Index |
Test Value |
|
Weight |
ASTM D792 |
T3mm=3.8kg/m2 |
|
Thermal expansion Coefficient |
ASTM D696 |
24-28 |
|
Temperature of thermal |
ASTM D648 |
115 celsius degree |
|
Conduction of thermal |
ASTM D976 |
0.102kal/m.hr celsius degree |
|
Bending rigidity |
ASTM C393 |
14.0* 10 ^ 5 |
|
Penetrating resistance |
ASTM D732 |
1.640 kgf |
|
Adherence intensity |
ASTM D903 |
0.77 kg/mm |
|
Bending |
ASTM D790 |
4030 kg/mm2 |
|
Cutting Resistance |
ASTM D732 |
2.7 kgf/ mm2 |
|
Combustion expansion coefficient |
ASTM E84 |
QUALIFIED |
|
Performance of wind pressure resistance |
ASTM E330 |
PASSED |
|
|
ASTM E331 |
PASSED |
Signage Grade Panel Weather resistant Parameter
|
Time |
Color Variation |
Chalking |
|
|
ECCA/T3 ASTMD 2244-89 |
ASTMD-659-86 |
|
|
¡÷E |
Index: 1-10 |
|
5 year |
3 |
8 |
|
7 year |
3 |
7 |
|
10 year |
4 |
7 |
¡÷E 3 = Very good, Index 10 =No chalking, ¡÷E 4 = Good, Index 1 =Strong Chalking, ¡÷E 5 = Satisfactory
Signage Grade Panel Technical Data
|
Panel thickness |
|
2 mm |
3mm |
4mm |
6mm |
|
Thickness of alu layer |
mm |
0.30 |
|
Weight |
Kg/m2 |
2.9 |
3.8 |
4.75 |
6.60 |
|
Technical Properties |
|
Section Modulus W |
cm3/m |
0.51 |
0.81 |
1.11 |
1.71 |
|
Rigidity(Posson¡¯ratio) u=0.3 E.I |
(KNcm3/m) |
345 |
865 |
1620 |
3840 |
|
Alloy of Aluminum Layers |
|
Modulus of Elasticity E |
(N/mm2) |
|
|
Tensile strength of aluminum |
(N/mm2) |
Rm: 145-185 |
|
0.2% Proof Stress |
(N/mm2) |
Rp0.2: 110-175 |
|
Elongation |
% |
A50>3% |
|
Lenear thermal expansion |
2.0mm/m(100.C temperature difference) |
|
Thermal Properties |
|
Termal Resistance R |
M2K/m |
0.0047 |
0.0080 |
0.0113 |
0.0180 |
|
Heat Transition Coetticient U |
w/m2k |
5.72 |
5.61 |
5.50 |
5.30 |
|
Range of application |
Celsius degree |
-50 ~ +80 | |
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