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: 4
Number of specimens: 8
Number of measurements: 24
Max PZC read (of all measurements): 30.0
Min PZC read (of all measurements): 9.1
Max PZC average on one log: 27.3
Min PZC average on one log: 11.9
PZC Average of all logs: 18.6

Species: artocarpus spp.
Family: Moraceae
Clade: Angiospermae
Description: Artocarpus species are large, latex-producing trees (Moraceae) with alternate, simple, often large leaves. They are renowned for their very large, compound fruits (syncarps) like jackfruit and breadfruit, typically featuring a bumpy or spiky rind.
Other Local Names: Aini, Anjili, Ayini, Pilapalam, Pilava, Plave chetti, Terap, Bsang, Keledang babi, Selangking, Tamgang, Terap, Lakuch, Pudau, Selangking, Simar Naka, Myauklok, Kapiag, Antipolo, Anubing, Kalulot, Malakubi, Jackwood, Had, Ka-ok, Khanun-pa, Mit-nai

Reference Colour: Brown
Texture: Coarse
Grain: Straight or interlocked
Interlocked Grain: Marked
Notes: Wood orangey yellow brown darkening to golden brown. Lustrous and ribbon-like aspect. Frequent white deposits in the pores.

Diameter: 60÷100cm
Density @12% MC: 800kg/m³
Janka Hardness: 1680lbf
Crushing Strength @12%MC: 55MPa
Static Bending Strength @12%MC: 90MPa
Longitudinal Modulus of Elasticity E: 14GPa
Volumetric Shrinkage Coefficient: 0.45% per %
Total Tangential Shrinkage TS: 5.5%
Total Radial Shrinkage TS: 3%
T/R Anisotropy Ratio: 1.8-
Fibre Saturation Point: 30%
Thermal Conductivity: 0.26W/mk
Lower Heating Value: 17910KJ/Kg
Sapwood Thickness: 5÷7cm
Sapwood Demarcation: Clearly demarcated

Resistance to Decay: Class 3 – moderately durable
Resistance to Dry Wood Borers: Class D – durable (sapwood demarcated, risk limited to sapwood)
Resistance to Termites: Class D – durable
Treatability: Class 3 – poorly treatable
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: No known specific risk
Drying Risk of Checking: Slight risk

Blunting Effect: Fairly high
Sawing Tooth: Stellite-tipped
Machining Tool: Tungsten carbide
Suitability for Peeling: Good
Suitability for Slicing: Not recommended or without interest
Sawing Machining Notes: Difficulties during sawing due to hard deposits in the pores, interlocked grain and tension wood. Fibrous surface. Filling is recommended.
Assembly Nailing Screwing: Poor
End Uses: Matches, Vehicle or container flooring, Turned goods, Veneer for interior of plywood, Luxury coffins (in Malaysia), Panelling, Framing, Interior joinery, Boxes and crates, Built-in furniture or mobile item, Stairs (inside), Flooring, Veneer for back or face of plywood

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