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: 2
Number of specimens: 3
Number of measurements: 12
Max PZC read (of all measurements): 14.4
Min PZC read (of all measurements): 12.2
Max PZC average on one log: 13.4
Min PZC average on one log: 13.0
PZC Average of all logs: 13.2

Species: durio spp.
Family: Malvaceae
Clade: Angiospermae
Description: Large tropical evergreen tree native to Southeast Asia, known for its distinctive, large, spiny fruit. The fruit possesses a strong, unique aroma and contains creamy, edible arils.
Other Local Names: Apa apa, Bengang, Durian isa, Punggai, Du yin

Reference Colour: Pinkish brown
Texture: Coarse
Grain: Straight or interlocked
Interlocked Grain: Slight
Notes: Sapwood whitish, greyish to pale rose. Heartwood pink rose to grey brown, colour variable according to the species and genus, darkening to brown with reddish lustre. Marked silver figure gives wood lustrous aspect. Resin and crystalline deposits. Typical musk scent.

Diameter: 70÷90cm
Density @12% MC: 620kg/m³
Janka Hardness: 930lbf
Crushing Strength @12%MC: 43MPa
Static Bending Strength @12%MC: 129MPa
Longitudinal Modulus of Elasticity E: 15.5GPa
Volumetric Shrinkage Coefficient: 0.38% per %
Total Tangential Shrinkage TS: 7.2%
Total Radial Shrinkage TS: 4.3%
T/R Anisotropy Ratio: 1.7-
Fibre Saturation Point: 23%
Thermal Conductivity: 0.21W/mk
Sapwood Thickness: 2÷5cm
Sapwood Demarcation: Not clearly demarcated

Resistance to Decay: Class 4-5 – poorly durable to not durable
Resistance to Dry Wood Borers: Class S – susceptible (risk in all the wood)
Resistance to Termites: Class S – susceptible
Treatability: Class 2 – moderately treatable.
Use Class Covered by Natural Durability: Class 1 – inside (no risk of dampness)

Log Buoyancy: Floats
Log Conservation: Low (treatment necessary)
Drying Rate: Rapid to normal
Drying Risk of Distortion: No risk or very slight risk
Drying Risk of Case Hardening: No known specific risk
Drying Risk of Checking: No risk or very slight risk

Blunting Effect: Normal
Sawing Tooth: Ordinary or alloy steel
Machining Tool: Ordinary
Suitability for Peeling: Good
Suitability for Slicing: Not recommended or without interest
Assembly Nailing Screwing: Good
Additional Notes: Needs filling before polishing
End Uses: Framing, Veneer for back or face of plywood, Boxes and crates, Veneer for interior of plywood, Open boats, Built-in furniture or mobile item, Stairs (inside), Blockboard

Source 1: Tropical Timber Atlas, Editions Quae, e-ISBN 978-2-7592-2770-9