Toon (Cedrela toona)
Family: Meliaceae
Common names: Australian cedar, Australian red cedar, Australian red-cedar, Belandi, Bobich, Burm, Burma cedar, Cedre rouge, Cedro, Chikado, Devdari, Drawi, Epi, Goria nim, Grawa, Henduri poma, Horeni, Huruk, Indian cedar, Ingoe, Kalkilingi, Kapere, Kashitka, Katangai, Kempu gandagheri, Ki beureum, Kujya, Kuruk, Ladet, Linoe, Lud, Madagiri vembu, Mafus, Maha limbu, Mahalimo, Mahanim, Maharim, Mahlun, Mali, Moulmein cedar, Moulmem cedar, Mufus, Ni, Noge, Poma, Queensland red cedar, Red cedar, Redani, Sandani vembu, Shuruzbed, Simal, Soeren, Somso, Soren, Suli, Suntang putch, Tawtama, Thitkado, Todu, Toon, Toona, Tseekado, Tundu, Tuni, Vedi vembu, Yom hom, Yomhom, Yomhorm, Youhom, Youhorm
Distributed in: Australia, Burma, Hawaii [US], India, Indonesia, Kenya, Laos, Myanmar, Pakistan, Papua New Guinea, South Africa, Tanzania, Thailand, Uganda (Africa, Oceania and S.E. Asia)
Distribution overview: India and Burma as well as scattered in evergreen and moist, mixed deciduous forests throughout Southeast Asia including Australia.
Common uses: Baskets, Bedroom suites, Bent Parts, Blinds, Boat building (general), Boat building, Boxes and crates, Building materials, Cabinetmaking, Canoes, Carvings, Casks, Chairs, Chests, Cigar boxes, Clogs, Concealed parts (Furniture), Decorative plywood, Decorative veneer, Desks, Dining-room furniture, Door, Dowell pins, Dowells, Drawer sides, Drum sticks, Excelsior, Exterior trim & siding, Exterior uses, Figured veneer, Fine furniture, Flooring: industrial heavy traffic, Food containers, Furniture , Furniture, Interior trim, Joinery (external): ground contact, Joinery, Light construction, Matches, Mine timbers, Model airplanes, Musical instruments , Musical instruments, Ornamental work , Packing cases, Paneling , Paneling, Planks, Plywood, Poles, Pulp/Paper products, Shingles, Shutters, Sporting Goods, Turnery, Vehicle parts, Veneer, Veneer: decorative, Windows
Environment profile: Secure in many areas of its range
Tree size: Tree height is 40-50 m
Colors: the heart isReddish brown, Yellowand the sapwoodWhite to yellow, Yellow.The grain isWavy, the textureUnevenand the lusterLustrous
Natural durability: Susceptible to attack from powder post (Lyctid & Bostrychid) beetles, Susceptible to attack from termites (Isoptera)
Odor:
The wood has a strong, fragrant, long-lasting spicy odor. It has no characteristic taste.
LightInduced Color Change: Darker
Kiln Schedules: Kiln Drying Rate (in days) is rapid
Kiln Drying Rate: Rapid (<10 days for boards < 32 mm, to <30 days for boards >= 63 mm)
Drying Defects: Slight cupping, Slight surface checking
Ease of Drying: Reconditioning Treatement
Tree Identification: Bole/stem form is straight
Comments: Brittleheart and tension wood may be presentGeneral finishing qualities are rated as good
Blunting Effect: Moderate
Boring: Fairly easy to very easy
Carving: Very Good to Excellent Results
Cutting Resistance: Easy to saw
Gluing: Moderate gluing properties
Mortising: Fair to Good
Moulding: Poor to Very Poor
Movement in Service: Poor to Very Poor
Nailing: Holds satisfactorily, Pre-Boring Recommended
Planing: Slight dulling of cutters
Resistance to Impregnation: Sapwood is permeable
Response to hand tools: Easy to machine
Sanding: Good sanding finish
Some material may produce a woolly finish
Veneering qualities:
Pieces sliced into veneers are reported to often have a fine silver-grain ray figure
Steam bending: Poor
Screwing: Pre-boring recommended, Screwing yields satisfactory results; Turning: Poor to Very Poor Results
Painting: Very Good to Excellent; Polishing: Satisfactory; Staining: Very Good to Excellent; Varnishing: Very Good to Excellent;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
 |
 |
 |
 |
Item |
Green |
Dry |
Metric |
Specific Gravity |
0,38 |
0,47 |
|
Density |
|
528 |
kg/m3 |
Bending Strength |
492 |
778 |
kg/cm2 |
Crushing Strength |
247 |
389 |
kg/cm2 |
Hardness |
|
363 |
kg |
Impact Strength |
|
|
cm |
Shearing Strength |
|
81 |
kg/cm2 |
Stiffness |
78 |
94 |
1000 kg/cm2 |
Tangential Shrinkage |
5 |
|
% |
Radial Shrinkage |
3 |
|
% |
Weight |
496 |
400 |
kg/m3 |
Maximum Load |
|
|
cm-kg/cm3 |
Toughness |
|
|
cm-kg |
Static Bending |
|
|
kg/cm2 |
|
 |  |  |  | Item | Green | Dry | English | Bending Strength | 7003 | 11071 | psi | Density | | 33 | lbs/ft3 | Hardness | | 802 | lbs | Maximum Crushing Strength | 3522 | 5542 | psi | Shearing Strength | | 1159 | psi | Stiffness | 1120 | 1346 | 1000 psi | Specific Gravity | 0.38 | 0.47 | | Weight | 31 | 25 | lbs/ft3 | Radial Shrinkage | 3 | | % | Tangential Shrinkage | 5 | | % | Volumetric Shrinkage | 11 | | % | |
Density (dry weight) = 23-30 lbs/cu. ft. 0 Modulus of Elasticity (stiffness) = very low 1 Bending strength (MOR) = low 1 Density (dry weight) = 31-37 lbs/cu. ft. Max. crushing strength = low Shrinkage, Radial = very small Shrinkage, Radial = small Max. crushing strength = medium Density (dry weight) = 38-45 lbs/cu. ft. Shrinkage, Tangential = very small Shrinkage, Tangential = small Shearing strength (parallel to grain) = very low Shrinkage, Tangential = moderate Shearing strength (parallel to grain) = low Bending strength (MOR) = medium Modulus of Elasticity (stiffness) = low Hardness (side grain) = very soft Hardness (side grain) = soft Density (dry weight) = 46-52 lbs/cu. ft. Density (dry weight) = 15-22 lbs/cu. ft. Weight = medium Modulus of Elasticity (stiffness) = high Hardness = medium Compression strength (parallel to grain) = low Bending strength (MOR) = high
The wood has high density and resists denting and marring about as well as white oak or birch
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