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Technical
Parameter
Roof Tile
|
Items |
CHINESE JC709-1998 ROOF TILE |
Our Product Capability |
|
Water Absorption(%) |
≤12.0 |
≤4.2 |
|
Bending Strength(Mpa) |
≥8.0 |
35 |
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Length Deviation(mm) |
±5 |
±1 |
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Width Deviation(mm) |
±4 |
±0.5 |
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Thickness Deviation(%) |
±5 |
±5 |
|
Thermal shock resistance |
In the recycle of fast cold and fast hot,the tiles will not chap
through 6-time test |
Approved |
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Frost proof |
In the recycle of frost and thaw, the tiles will not chap through
15-time test |
Approved |
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Resistance to acid and alkali |
----- |
UA Grade |
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Appearance quality |
The defects can't be seen in 1 meter |
----- |
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Distortion(mm) |
≤2.0 |
----- |
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