caryocar spp., Caryocaraceae, Angiospermae (Hardwood)

Other names: Ajillo, Pekia, Almendro, Sawarie
Chatoyance was measured by the chatometry.com team using the PZC method. The statistics for this specific timber are hereby summarized to provide an evaluation of data robustness:
Number of sources for samples: 2
Number of individual trees analyzed: 3
Number of specimens: 6
Number of measurements: 18
Max PZC read (of all measurements): 7.9
Min PZC read (of all measurements): 6.5
Max PZC average on one log: 7.6
Min PZC average on one log: 6.9
PZC Average of all logs: 7.2
Species: caryocar spp.
Family: Caryocaraceae
Clade: Angiospermae
Description: Caryocar spp. are tropical trees characterized by large, opposite, trifoliate leaves and showy, often nocturnal flowers with numerous stamens. They produce distinctive, large, drupe-like fruits with an oily, edible pulp surrounding a hard, often spiny seed.
Other Local Names: Ajillo, Pekia, Almendro, Sawarie
Reference Colour: Light brown
Texture: Medium
Grain: Interlocked grain
Interlocked Grain: Slight
Notes: Sapwood whitish to creamy white. Heartwood yellowish white to pale beige.
Diameter: 90÷180cm
Density @12% MC: 810kg/m³
Janka Hardness: 1500lbf
Crushing Strength @12%MC: 59MPa
Static Bending Strength @12%MC: 100MPa
Longitudinal Modulus of Elasticity E: 17.27GPa
Volumetric Shrinkage Coefficient: 0.45% per %
Total Tangential Shrinkage TS: 8.2%
Total Radial Shrinkage TS: 5.7%
T/R Anisotropy Ratio: 1.4-
Fibre Saturation Point: 29%
Thermal Conductivity: 0.26W/mk
Sapwood Thickness: 2÷5cm
Sapwood Demarcation: Not clearly demarcated
Resistance to Decay: Class 3 – moderately durable
Resistance to Dry Wood Borers: Class D – durable (heartwood durable but sapwood not clearly demarcated)
Resistance to Termites: Class D – durable
Treatability: Class – 3-4 – poorly or not permeable Atlas of Tropical Timber Species
Use Class Covered by Natural Durability: Class 2 – inside or under cover (dampness possible)
Log Buoyancy: Does not float
Log Conservation: Moderate (treatment recommended)
Drying Rate: Normal to slow
Drying Risk of Distortion: High risk
Drying Risk of Case Hardening: Yes
Drying Risk of Checking: High risk
Blunting Effect: Normal
Machining Tool: Tungsten carbide
Suitability for Peeling: Not recommended or without interest
Suitability for Slicing: Not recommended or without interest
Sawing Machining Notes: Risks of internal stresses releasing during sawing. Woolly surface due to tension wood.
Assembly Nailing Screwing: Good but pre-boring necessary
Assembly Notes: High specific gravity: important that gluing be performed in compliance with the code of practice and instructions for the glue used.
End Uses: Framing, Heavy carpentry, Shipbuilding, Boxes and crates, Vehicle or container flooring, Exterior joinery, Interior joinery, Built-in furniture or mobile item, House framing, Industrial or heavy flooring
Source 1: Tropical Timber Atlas, Editions Quae, e-ISBN 978-2-7592-2770-9
Pictures – each from a different individual tree:



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