ORIGIN: CONGO, ANGOLA, IVORY COAST
COLOUR: FORM YELLOWISH BROWN TO OLIVE, VIOLET OR BLACKISH GREY
SPECIFIC WEIGHT: 830Kg/cm (high)
HARDNESS (Brinell scale):   4.00Kg/sq.cm
HARDNESS (Janka scale):   945Kg/sq.cm
SHRINKAGE:  MEDIUM-HIGH
STRENGTH:  MEDIUM-HIGH
OXIDATION:  LOW

This is a wood with very good mechanical resistence. It sometime contains resinous substances.Not suitable for bases with floor heating.

ORIGIN: CONGO, ZAIRE, CAMEROONS, MOZAMBIQUE
COLOUR: DARK BROWN WITH BLACKISH TONE
SPECIFIC WEIGHT: 840Kg/cm (high)
HARDNESS (Brinell scale):   4.00Kg/sq.cm
HARDNESS (Janka scale):   915Kg/sq.cm
SHRINKAGE:  MEDIUM-HIGH
STRENGTH:  MEDIUM-HIGH
OXIDATION:  LOW

Wood with very good mechanical resistence. Right after varnishing, the pores have a greenish yellow pigmentation that tends to disappear with oxidation.

ORIGIN: BRAZIL, COLOMBIA
COLOUR: DARK CHESTNUT
SPECIFIC WEIGHT: 950Kg/cm (very high)
HARDNESS (Brinell scale):   4.10Kg/sq.cm
HARDNESS (Janka scale):   900Kg/sq.cm
SHRINKAGE:  MEDIUM
STRENGTH:  MEDIUM
OXIDATION:  LOW

It a wood with good physical and mechanical characteristics. Also suitable for bases with floor heating.