Hardness & Moisture Content

Mechanical Properties: (First two sets of data based on the 2 inch standard; third set on the 1 inch standard.)

Janka Hardness: 980 pounds for green material and 1,240 pounds at 12% moisture content. Forest Products Laboratory’s toughness average for green and dry material is 251 inches per pound (5/8 specimen).

Moisture Content (%)

Green (4)
12 %

Green (1)
12%

12% (2)

Bending Strength (Psi)

11,190
16,690

9,000
14,700

8,830

Modulus of Elasticity (1,000 Psi)

1,880
2,240

1,610
1,950

920

Maximum Crushing Strength (Psi)

4,900
8,540

4,600
7,830

NA