TRADE NAME

KEVAZINGO (BUBINGA)

 

SCIENTIFIC NAME

  • Guibourtia demeusei J. Leonard
  • Guibourtia tesmanii J. Leonard
  • Guibourtia pellegriniana J. Leonard

 

FAMILY

Caesalpiniaceae

 


 

REGIONAL DISTRIBUTION

Central Africa

Cameroon : BINBINGA, ESSINGANG
Equat. Guinea : OVENG
Gabon : KEVAZINGO, EBANA (= G. demeusei)
Zaire : WAKA
U.S.A. : AKUME

Pr. = REGUL. Ex. = REGUL.

 


 

SAPWOOD

Clearly demarcated, whitish, rather thick.

 

HEARTWOOD

  • Colour : Red-brown or pinkish brown with purple veins
  • Grain : Straight or slightly/occasionally interlocked
  • Texture : Fine to medium
  • Silver figure : Fine
  • Highly figured veneer (blister figure).

 


 

TECHNOLOGICAL PROPERTIES

  • Green weight (kg/m3) = 1000 to 1100
  • Specific gravity at 12% M.C. (kg/m3) MV12 = (heavy) 925
  • Volumetric swelling for 1% MC variation V% = (large movement) 0.62
  • Total tangential swelling T% = 8.6
  • Total radial swelling R% = 5.3
  • Crushing strength (N/mm2) C12 = 75
  • Static bending strength (N/mm2) F12 = 192
  • Modulus of elasticity (N/mm2) E12 = 16000

 


 

END USE

  • Decorative sliced veneers
  • Fine furniture and interior fittings
  • Turnery
  • Cutlery works and brush industry
  • Flooring
  • Stairs

 


 

REMARKS

  • Natural durability : Durable
  • Lyctus susceptibility : No
  • Preservative treatment : Resistant
  • Other remarks :
    – Some resemblance to Rosewood in some cases
    – Resin seams sometimes present.