Balfourodendron riedelianum Engl. 
RUTACEAE 

Comercial Name : Pau - Marfim 
Other Names : Farinha-Seca, Gramixinga, Guataia, Marfim, Pau-Liso 
Foreign Name : 
Guatambu (Argentina, Paraguay) 
Guatambu-Blanco (Argentina, Paraguay) 

Ocurrence : 
Brasil - MG/SP, PR/SC/RS 
Others - Argentina, Paraguay 

General Charcteristics : 
Color : Palid Yellow 
Direction : irregular Texture : fine 
Taste : bitter Smell : indistinct 
 Density at 15% m.c = 840 Kg/m3 

Natural Durability : 
Not Durabel - low resistence to atack of fungus. 
Treatability : easy. 
Processing Characteristics : 
Surfacing : regular Sawing : easy 
Glueing : easy Finishing: good 
Drying : moderately easy 

Uses: 
Civil Construction - Light Internal and Frames 
Floors - Domestic 
Furniture 
Shipping Applications 
Veneers and Plywoods- Decorative Veneers 
Packaging and Cases 
Diverse Uses - Mouldings, Sport Articles and Toys, 
Musical Instruments or their parts. 

 
 
Green
Dry
English
Green 
Dry
Metric
Bending Strength
14411
psi
1013
kg/cm2
Crushing Strength
psi
kg/cm2
Max. Crushing Strength
6070
psi
427
kg/cm2
Static Bending (FSPL)
psi
kg/cm2
Impact Strength
inches
cm
Stiffness
1660
1000 psi
117
1000 kg/cm2
Work to Maximum Load
inch-lbs/in3
cm-kg/cm3
Hardness
lbs
kg
Shearing Strength
psi
kg/cm2
Toughness
inch-lbs
cm-kg
Specific Gravity
0.73
0.8
0.73
0.8
Weight
50
lbs/ft3
801
kg/cm3
Density (Air-Dry)
50
lbs/ft3
801
kg/cm3
Radial Shrinkage
4.6
%
4.6
%
Tangential Shrinkage
8.8
%
8.8
%
Volumetric Shrinkage
13.4
%
13.4
%

 

 Marfim