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: 4
Number of individual trees analyzed: 15
Number of specimens: 19
Number of measurements: 84
Max PZC read (of all measurements): 29.4
Min PZC read (of all measurements): 11.2
Max PZC average on one log: 26.6
Min PZC average on one log: 11.7
PZC Average of all logs: 18.1

Species: toona ciliata
Family: Meliaceae
Clade: Angiospermae
Description: Toona ciliata, also known as Red Cedar or Suren, is a large, fast-growing deciduous tree native to Asia and Australia. It features large, pinnate leaves and produces fragrant white flowers in terminal panicles, followed by small woody capsules. Highly valued for its durable, reddish, aromatic timber.
Other Local Names: Red Cedar, Chomcha, Limpagna, Malarveppu, Mandurike Santhanavembu, Toon, Surian, Surea-bawang, Petsut yetama, Thitkado, Red Cedar, Calantas, Toon, Yomham, Xoan moc

Reference Colour: Red brown
Texture: Medium
Grain: Straight
Interlocked Grain: Absent
Notes: Sapwood pink to grey/white yellowish. Heartwood brown/red, sometimes dark brown stripes. Visible growth rings. Resin exudations. Pleasant scent.

Diameter: 50÷70cm
Density @12% MC: 500kg/m³
Janka Hardness: 1050lbf
Crushing Strength @12%MC: 45MPa
Static Bending Strength @12%MC: 75MPa
Longitudinal Modulus of Elasticity E: 8.4GPa
Volumetric Shrinkage Coefficient: 0.56% per %
Total Tangential Shrinkage TS: 6.3%
Total Radial Shrinkage TS: 3.8%
T/R Anisotropy Ratio: 1.7-
Fibre Saturation Point: 23%
Thermal Conductivity: 0.17W/mk
Sapwood Thickness: 2÷3cm
Sapwood Demarcation: Clearly demarcated

Resistance to Decay: Class 3-4 – moderately to poorly durable
Resistance to Dry Wood Borers: Class S – susceptible (risk in all the wood)
Resistance to Termites: Class S – susceptible
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: Floats
Log Conservation: Low (treatment necessary)
Drying Rate: Slow
Drying Risk of Distortion: High risk
Drying Risk of Case Hardening: No known specific risk
Drying Risk of Checking: Slight risk

Blunting Effect: Normal
Machining Tool: Ordinary
Suitability for Peeling: Good
Suitability for Slicing: Good
Assembly Nailing Screwing: Good
Additional Notes: Needs filling before polishing
End Uses: Cigar boxes, Veneer for interior of plywood, Shipbuilding, Interior joinery, Open boats, Built-in furniture or mobile item, Veneer for back or face of plywood, Moulding, Musical instruments, Sliced veneer

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