| Detect items |
Index |
Folding strength under the natural
dampish state （ Mpa ） |
＞ 9 |
Fold strength after be dipped in
water for 24 hours Mpa |
＞ 8.5 |
| Drying shrinkage |
≤ 0.06% |
| Tensile strength on the vertical plane Mpa |
≥ 0.5 |
| Resistance to impact (500g hammer weight ， 12mm board thickness) |
Dropping from 1 ， 100mm meter ，
and has no penetrating cracks |
| Anti-folding elastic modulus Mpa |
＞ 3000 |
| Density （ T/M3 ） |
1.1-1.4 |
Expansion coefficient （ % ） after being
dipped in water for 24 hours |
＜ 1.5 |
| Fire resistance |
A2 level |
| Moisture content (%) |
≤ 8% |
| Clutching nail force |
1650N |
| Heat conductivity factor （ w/m.k ） |
0.19 （ density ） 1200kg/m3 ） |
| Surface water resistance |
No change within 96 hours |
| Surface alkali fastness |
No change within 48 hours |
| Surface washing fastness |
≥ 5000 times |
| Surface aging resistance |
No change within 1000 hours |
| Contamination resistanT |
＜ 15% |
| Sound insulation value |
36dB （ single board ） |
| water absorption bend |
Bend less than 3mm after water absorption |
| Water absorption |
20% |
Bond strength in cyclic test under the
damp condition N/mm2 |
≥ 0.3 |
Thickness expansion after the cyclic
test under the damp condition % |
1.5% |
| Outdoor irradiation |
＞ Has no change, crusting, no spalling
within 250 hours |
| － 40℃ |
The size and surface do not change after
being frozen |
Distortion performance under the wind
pressure |
Third level |
Anti seismic within the distortion
performance in the plan |
First level |
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