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PZC Chatometry

A standard system to measure wood chatoyance

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    • Woodworker’s Guide to Chatoyance
    • Woodworker’s Guide to Chatoyance – Compact Edition

Mango

mangifera indica, Anacardiaceae, Angiospermae (Hardwood)

reference picture – see below for more pictures

Other names: Manguier, Ma-muang-pa, Mampalagai, Mangga, Mave, Mavu, Membacang, Asam, Machang, Sepam, Mangowood, Thayet, Ailai, Asai, Pahutan, Pamutan, Xoai

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: 8
Number of individual trees analyzed: 10
Number of specimens: 18
Number of measurements: 63
Max PZC read (of all measurements): 28.9
Min PZC read (of all measurements): 9.6
Max PZC average on one log: 27.2
Min PZC average on one log: 11.4
PZC Average of all logs: 17.3

Species: mangifera indica
Family: Anacardiaceae
Clade: Angiospermae
Description: Mangifera indica is a large, evergreen tropical tree known for its delicious, fleshy drupe fruit (mango). It features simple, leathery, lanceolate leaves and small, fragrant flowers in terminal panicles.
Other Local Names: Manguier, Ma-muang-pa, Mampalagai, Mangga, Mave, Mavu, Membacang, Asam, Machang, Sepam, Mangowood, Thayet, Ailai, Asai, Pahutan, Mangowood, Ma-muang-pa, Pamutan, Xoai

Reference Colour: Light brown
Texture: Coarse
Grain: Undulating
Interlocked Grain: Absent
Notes: Wide sapwood. Light brown slightly pink. Heartwood with grey or dark brown veins in some logs.

Diameter: 90÷120cm
Density @12% MC: 760kg/m³
Janka Hardness: 1110lbf
Crushing Strength @12%MC: 71MPa
Static Bending Strength @12%MC: 82MPa
Longitudinal Modulus of Elasticity E: 12.25GPa
Volumetric Shrinkage Coefficient: 0.54% per %
Total Tangential Shrinkage TS: 6.1%
Total Radial Shrinkage TS: 4.2%
T/R Anisotropy Ratio: 1.5-
Fibre Saturation Point: 25%
Thermal Conductivity: 0.25W/mk
Lower Heating Value: 17670KJ/Kg
Sapwood Thickness: 3÷5cm
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) MANGO / MACHANG* Cross sections of Mangifera foetida
Resistance to Termites: Class S – susceptible
Treatability: Class 1 – treatable
Use Class Covered by Natural Durability: Class 1 – inside (no risk of dampness)

Log Buoyancy: Does not float
Log Conservation: Low (treatment necessary)
Drying Rate: Rapid to normal
Drying Risk of Distortion: Slight 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
Sawing Machining Notes: Occasional presence of tension wood and tendency to woolliness. Careful sanding and filling are necessary. Veneers quite brittle.
Assembly Nailing Screwing: Good
Additional Notes: Wood with grey or dark brown veins can be used for decorative sliced veneer
End Uses: Heavy carpentry, Formwork, Boxes and crates, Veneer for back or face of plywood, Veneer for interior of plywood, Panelling, Interior joinery, Built-in furniture or mobile item, Moulding, Flooring, Sliced veneer

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

Pictures – each from a different individual tree:

Log 1 (from [Source 27]) – PZC = 25.8
Log 2 (from [Source 53]) – PZC = 28.2
Log 3 (from [Source 53]) – PZC = 16.7
Log 4 (from Joey Montagut) – PZC = 15.2
Log 5 (from NEHOSOC) – PZC = 22.9
Log 6 (from [Source 58]) – PZC = 17.8
Log 7 (from C. McGuire) – PZC = 13.1
Log 8 (from C. McGuire) – PZC = 11.2
Log 9 (from Elia Pace) – PZC = 11.8
Log 10 (from [Source 135]) – PZC = 14.5

See also
AUSTRALIAN SPECIES

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