Rough timber

Zachthout Grenen

Redwood

Average volumetric mass ± 450kg/m³
Radial crimp 60 to 30% relative humidity (r.h.) 0,5%
Radial crimp 90 to 60% relative humidity (r.h.) 0,5%
Tangential crimp 60 to 30% relative humidity (r.h.) 1,1%
Tangential crimp 90 to 60% relative humidity (r.h.) 1,3%
Movement 60 to 30% relative humidity (r.h.) 1,6%
Movement 90 to 60% relative humidity (r.h.) 1,8%
Flexural Strenght 79 N/mm²
Young's modulus 11.000 N/mm²
Compressive strength 47 N/mm²
Shear strength 7,5 N/mm²
Hardness (Janka) - Header 3.330 N
Hardness (Janka) - Long side 2.940 N

source: www.woodforum.be

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