Wallaba Wood

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Wallaba Wood
Categories:	Wood and Natural Products; Wood; Hardwood
Material Notes:	Gum exudation likely Usual surface texture: Coarse Dimensional changes when dried lumber is subjected to variations in humidity during service: Medium Resistance to fungal decay (Heartwood in ground contact): Very Durable (Over 25 years) Resistance to penetration by preservatives: Extremely resistant Common Applications: Transmission poles, flooring, decking, heavy construction
Key Words:	Eperua Falcata, Eperua Grandiflora; Lumber, Timber
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Physical Properties	Metric	English	Comments

Specific Gravity	0.780 g/cc	0.780 g/cc	Green, Central/South American Origin
Density	0.910 g/cc	0.0329 lb/in³	15% Moisture Content

Mechanical Properties	Metric	English	Comments
Hardness, Wood Indentation	6900 N	1550 lb (f)	Side Hardness, Green, Central/South American Origin
	9100 N	2050 lb (f)	Side Hardness, 12% Moisture, Central/South American Origin
Modulus of Rupture	0.0986 GPa	14.3 ksi	Static Bending, Green, Central/South American Origin
	0.1317 GPa	19.10 ksi	Static Bending, 12% Moisture, Central/South American Origin
Flexural Modulus	15.7 GPa	2280 ksi	Static Bending, 12% Moisture, Central/South American Origin
	16.1 GPa	2340 ksi	Static Bending, Green, Central/South American Origin
Compressive Strength	55.4 MPa	8040 psi	Parallel to Grain, Green, Central/South American Origin
	74.2 MPa	10800 psi	Parallel to Grain, 12% Moisture, Central/South American Origin
Machinability	50 %	50 %	Medium Relative to Other Wood

Thermal Properties	Metric	English	Comments
Shrinkage	3.6 %	3.6 %	Radial Shrinkage Green to Oven Dry, Central/South American Origin
	6.9 %	6.9 %	Tangential Shrinkage Green to Oven Dry, Central/South American Origin
	10 %	10 %	Volumetric Shrinkage Green to Oven Dry, Central/South American Origin

Descriptive Properties
Color	Dull reddish-brown		Usual for heartwood

References for this datasheet.

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PTST550 / 71437

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