Species: Amarante / Purpleheart


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Amarante / Purpleheart
Species profile
The heartwood has directly after moulding a pale brown colour, which quickly changes to purple after exposure. In time it darkens to dark brown with light. There is a possible presence of internal stresses. It has a fine stripy pattern, and a slight lustre. Amarante/Purpleheart is a species with a tendency to bleed. The sapwood is easy to distinguish. The grain is straight and the texture is fine to medium. Density at 12 % moisture content: 0.87 g/cm3.

Machining goes well with a smooth result but requires power. Finishing and gluing are in accordance with the Dutch regulations for windows and doors. Pre-drilling is recommended. Purpleheart dries normal to slowly with a tension to small surface checking. Gum veins can be found in some botanical species, showing a pattern of stripes on the surface. Sometimes these veins can bleed, also after finishing.

Purpleheart fulfills the regulation of the Dutch KOMO certification for windows and doors.

Purpleheart is durable to moderately durable in ground contact and it is durable to dry wood borers; sapwood demarcated (risk limited to sapwood). Resistance to decay: moderate to good.

This exclusive species is used for several purposes such as:
• interior: e.g. parquet, high class furniture, musical instruments, sculptures, panelling, sliced veneer, stairs, flooring, joinery, wood ware, tool handles, high class coffins
• exterior: e.g. boardwalks, gardens, ship building piles, bridge constructions, flooring, joinery, panelling, heavy carpentry, vehicle or container flooring

In the USA, Amarante is used to make high class coffins.

References
• Research and experiences of A. van den Berg / Precious Woods Europe BV
• CIRAD Forestry Department

Family:FABACEAE-CAESALPINIOIDEAE (angiosperm)
Origin:South and Central America
Local and common name(s)
Guarabu, Pau Roxo, Tananeo, Purpleheart, Bois Violet, Purperhart, Zapatero, Amaranth, Ipe Roxo, Roxinho, Koroborelli, Amarante, Nazanero, Morado, Violettholz,
Scientific name(s)
Peltogyne spp.,
Typical use
Cabinetwork (high class furniture), Sliced veneer, Sculpture, Ship building (ribs), Exterior joinery, Stairs (inside), Glued laminated, Interior joinery, Musical instuments, Tool handles (resilient woods), Current furniture or furniture components, Interior panelling, Flooring, Ship building (planking and deck), Exterior panelling, Heavy carpentry, Vehicle or container flooring, Turned goods, Wood-ware,
Risk
Commercial restriction:No commercial restriction
IUCN Red List status:
Appearance
Grain:Straight
Interlocked Grain:Absent
Sapwood:Clearly demarcated
Texture:Medium
Typical colour:Puple
Physical description
Crushing strength:80 (+/- 9) MPa
Specific Gravity (at 12% MC):0,87 (+/- 0,08)
Stability:Moderately stable
Static bending strength:141 (+/- 19) MPa
Strength class:
Durability
Dry wood borers:Class D - Durable
Fungi:Class 2-3 - Durable to moderately durable
Termites:Class D - Durable
Treatability:Class 4 - Not permeable
References
Technical descriptions from the software Tropix 7 [1], with permission of the Research Unit Biomass, Wood, Energy, Bioproducts [2], CIRAD [3].

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Amarante / Purpleheart Amarante / Purpleheart