| ¡Ü Physical Properties |
|
|
| |
Item |
Unit |
Test method |
Test result |
CTQ |
Specific gravity |
- |
KS F 2198 |
1.21 |
1.15~1.25 |
Dimensional
stability |
Linear
expansion |
% |
KS F 5650 |
0.003 |
0.1% |
Thickness
expansion |
% |
0.001 |
0.5% |
Absorption ratio |
% |
KS M 3015 |
1.3 |
3% in max. |
Linear thermal
expansion coefficient |
1¡¿10-5 /¡É |
KS M 3015 |
3.1 |
3.5 in max. |
Weatherproof |
¥ÄE |
ASTM D 1037 |
2.5 in max (2000Hr) |
5 in max. |
Hardness |
lbs. |
ASTM D 143 |
2300 |
- |
Density |
lbs/ft3 |
- |
76 |
- |
|
|
| |
¡Ø Data based on authorized score sheet |
|
| ¡Ü Mechanical Properties |
|
|
| |
Item |
Unit |
Test method |
Test result |
CTQ |
Flexural |
MOR |
Kgf/cm©÷ |
ASTM D 790 |
400 |
380 in min. |
MOE |
Kgf/cm©÷ |
ASTM D 790 |
33,000 |
30,000 in min. |
Tensile |
MOR |
Kgf/cm©÷ |
ASTM D 638 |
306 |
200 in min. |
MOE |
Kgf/cm©÷ |
ASTM D 638 |
- |
- |
Impact Strength |
kgf.mm/mm |
ASTM D 256 |
2.71 |
2.5 in min. |
|
|
| |
| |
¡Ü Waterproofing |
|
¡Ü Flexural strength
|
|
| |
Thickness change (%) |
|
Flexural strength(%) |
|
| |
|
|
|
|
| |
| |
¡Ü Weatherproofing |
|
¡Ü Durability
|
|
| |
Discoloration (%) |
|
Weight reduction (%) |
|
| |
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| |
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