We formulate the enterprise standard with the standard higher than the building material industry standard of the People's Republic of China (JC/T412.1-2006). The produced sinoma asbestos-free fiber-cement flat sheets (medium and high density) are new green, energy-saving, fireproof and dampproof building wall material by accurately mixing wood fiber, Portland cement, quartz sand, auxiliary materials and other substances, molding with flow slurry method, pressurizing, maintaining and other full-automatic processes.
Technical parameters
|
Category |
Medium density |
High density |
|
|
Specifications |
1220*2440*(3-18)mm |
1220*2440*(3-30)mm |
|
|
Density（g/cm³) |
1.2＜D≤1.4 |
1.4＜D≤1.7 |
|
|
Breaking Strength |
Air drying |
≥10MPa |
≥16Mpa |
|
Moisture saturation |
≥7MPa |
≥13Mpa |
|
|
Incombustibility |
A1 level incombustible material |
A1 level incombustible material |
|
|
Water absorption |
≤40％ |
≤25％ |
|
|
Moisture expansion rate |
≤0.23％ |
≤0.23％ |
|
|
watertightness |
no water drop on board after 24h |
no water drop on board after 24h |
|
|
Radioactivity |
Class A decorative material |
Class A decorative material |
|
|
Asbestos |
100% asbestos-free |
100% asbestos-free |
|
|
Frost resistance |
|
and no rupture and layering by freezing and thawing cycle for 25 times |
|
Note: the above parameter data is standard data, and specifically subject to the product test report.
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