Technical Wood Properties for Cumaru Hardwood
Technical information about Cumaru, Brazilian Teak from TrailerDecking.com
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- Scientific Name, Other Names: Dipteryx odorata, Brazilian Chestnut, Southern Chestnut, Brazilian Teak
- Description: Cumaru is commonly used for both exterior decking and interior flooring. It is medium to dark brown wood with some red tones as well. Very hard and very dense, Cumaru is the closest specie to Ipe or Brazilian Walnut. It must be kiln dried for most applications due its higher shrinkage percentages from green to dry.
- Janka Hardness: 3,200 pounds
- Strength (MOR): 24,800 psi
- Stiffness (MOE): 3,050 1000 psi
- Density (KG/m3): 1,090
- Tangential Shrinkage: 8.4%
- Radial Shrinkage: 5.4%
- About: We offer Cumaru for side rack material and other S4S E4E applications.
- Family: Leguminosae
- Tree Characteristics: The Cumaru tree can reach 160 feet in height with trunk diameters up just over 3 feet.
- Geographic Area: Venezuela, Columbia, Brazil, Peru, Bolivia, The Guianas.
- Color: Reddish-brown or purplish-brown when fresh, shifting to light-brown to yellowish-brown upon exposure. Sapwood is yellowish-brown.
- Photosensitivity: Cumaru will become more uniform in color upon exposure to light.
- Luster: Low to medium
- Grain: Interlocked
- Texture: Fine
- Drying Characteristics: Rated as easy to air season, can sometimes check and warp, uniformly rapid drying.
- Working Characteristics: Rated as difficult to saw or bore. Poor for gluing due to high density and oily nature.
- Durability Rating: Rated as very durable, resistant to brown and white-rot fungi, and has exemplary weathering characteristics.
- Applications: Cogs, flooring, decking, turnery, bearings, tool handles, railroad crossties, heavy construction.
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