Common name: Brazillian pecan
Botanical name: Guajuvira
WHY USE GUAJUVIRA?
Brazillian pecan (Guajuvira) is imported direct from Argentina to supply New Zealand with a fresh look timber. The Guajuvira tree is a symbol of steadiness and firmness and is the national emblem of Argentina. The density of Guajuvira is only beaten by a few other woods internationally. While other hard timbers are very difficult to process into a workable product, Guajuvira, requires little more than your standard pine, and delivers a far more aesthetically pleasing and a much more structurally solid result. Guajuvira does not require toxic treatments that NZ timbers do at the H1-H5 levels, as it is naturally resistant to rot, decay and borer. Used for flooring, decking, structural & exposed beams, stairs & bannisters, window & door frames, cabinetry & furniture, fencing and landscaping.
APPEARANCE AND DESCRIPTION
Unlike traditional Cedars and NZ Pine, Brazillian pecan darkens with sun exposure, with the rich dark red and black/brown colour depth and complexity only increasing with time, and contrasting with the pale colours in the time.
Guajuvira is very durable and is also resistant to insect attacks. Guajuvira also has excellent weathering characteristics.
|Density at 12% moisture content||790 kg/m3|
|Modulus of elasticity||173.0 MPa|
|Shear strength parallel to grain||2598 MPa|
|Compression strength parallel to grain||83.3 MPa|
|Side Hardness||54,123,844,648 MPa|
|Tangential shrinkage – green to 12% MC||6.5 %|
|Radial Shrinkage – green to 12% MC||4.3 %|
Guajuvira can be difficult to work on account of its density and irregular grain. It has high cutting resistance, dries slowly and has a tendency to crack, check and warp while drying. Guajuvira finishes well and is able to take in a high natural polish without any finishing agents.
Glueing and coating considerations:
No special considerations.