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: 1
Number of individual trees analyzed: 1
Number of specimens: 2
Number of measurements: 6
Max PZC read (of all measurements): 9.8
Min PZC read (of all measurements): 9.0
Max PZC average on one log: 9.3
Min PZC average on one log: 9.3
PZC Average of all logs: 9.3

Species: sterculia tragantha
Family: Malvaceae
Clade: Angiospermae
Description: A medium to large deciduous tree, Sterculia tragantha features large, deeply palmately lobed leaves. It produces small, yellowish-green to reddish flowers, followed by distinctive, large, woody, boat-shaped follicles that split open to reveal seeds.
Other Local Names: Mani, Achicha, Tacacazeiro, Camajura, Anacaguita, Cacao de mote, Sapote, Saput, Zapote, Maho, Kobé, Bellota, Chiapas, Huarmi-caspi, Zapote silvestre, Anacaguita, Jahoballi, Kobehe, Okro-oedoe, Mahoe, Camoruco, Mayagua, Sunsun

Reference Colour: Light brown
Texture: Coarse
Grain: Straight
Interlocked Grain: Absent

Diameter: 60÷90cm
Density @12% MC: 640kg/m³
Janka Hardness: 690lbf
Crushing Strength @12%MC: 54MPa
Static Bending Strength @12%MC: 93MPa
Longitudinal Modulus of Elasticity E: 15.69GPa
Volumetric Shrinkage Coefficient: 0.58% per %
Total Tangential Shrinkage TS: 10.1%
Total Radial Shrinkage TS: 5%
T/R Anisotropy Ratio: 2-
Fibre Saturation Point: 34%
Thermal Conductivity: 0.22W/mk
Lower Heating Value: 17690KJ/Kg
Sapwood Thickness: 4÷6cm
Sapwood Demarcation: Not clearly demarcated

Resistance to Decay: Class 5 – non-durable
Resistance to Dry Wood Borers: Class S – susceptible (risk in all the wood)
Resistance to Termites: Class S – susceptible
Treatability: Class 1 – treatable
Use Class Covered by Natural Durability: Class 1 – inside (no risk of dampness) CHICHA

Log Buoyancy: Does not float
Log Conservation: Low (treatment necessary)
Drying Rate: Normal
Drying Risk of Distortion: High risk
Drying Risk of Case Hardening: No known specific risk
Drying Risk of Checking: High risk

Blunting Effect: Normal
Sawing Tooth: Ordinary or alloy steel
Machining Tool: Ordinary
Suitability for Peeling: Good
Suitability for Slicing: Good
Sawing Machining Notes: Fuzzy surface. To obtain a good finish, sharp cutters are recommended.
Assembly Nailing Screwing: Good
End Uses: Coffins, Built-in furniture or mobile item, Framing, Blockboard, Formwork, Fibre or particle boards, Boxes and crates, Flooring, Veneer for back or face of plywood, Sliced veneer, Veneer for interior of plywood, Pulp, Panelling, Seats, Interior joinery

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