|
|
|
Item |
standard |
test result |
|
moisture content(%) |
<13 |
12.1 |
|
density (g/m3) |
>0.6 |
0.68 |
|
dry contractedness(%) |
reaial direction<0.15
chord direction<0.20
volumn <0.5
|
0.138
0.148
0.320 |
|
strength of glued layer(MPA) |
>2.5
|
2.93 |
|
strength of shearing (MPA) |
>100 |
|
|
hardness (MPA) |
junction point>25
outer junction point>25 |
49.9
35.5 |
|
absorbenergy when shock and crook(J)
|
>12 |
14.9 |
|
|
|