Wood inspector

Sei in: home » database dei legni
  • Decrease font size
  • Default character size
  • Encrease font size


Fornitori

Ditta 5
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 

Ditta 4
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 

Ditta 3
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 

Ditta 2
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 

Ditta 1
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 

Ditta 0
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 

Contatti

database dei legni


Ask informationsPrint pageSend to a friend
Choboch
Choboch (Heritiera ornithocephala)

Family: Sterculiaceae

Common names: Choboch, Chopwoch, Chumprak, Huynh, Kanze, Lumbayau, Mengkulang, Rosarosa

Distributed in: Fiji [Polynesia], Fiji, Myanmar (Oceania and S.E. Asia)

Distribution overview: Indo-Malayan region

Common uses: Bedroom suites, Boat building (general), Boat building: framing, Boxes and crates, Building construction, Building materials, Cabin construction, Cabinetmaking, Carvings, Casks, Chairs, Chests, Concealed parts (Furniture), Construction, Desks, Dining-room furniture, Domestic flooring, Dowell pins, Dowells, Drawer sides, Excelsior, Factory construction, Factory flooring, Fine furniture, Floor lamps, Flooring, Flooring: commercial heavy traffic, Flooring: industrial heavy traffic, Furniture , Furniture components, Furniture squares or stock, Furniture, Handles: general, Hatracks, Heavy construction, Joinery (external): ground contact, Joinery, Kitchen cabinets, Ladders, Light construction, Living-room suites, Mine timbers, Office furniture, Packing cases, Paneling, Parquet flooring, Piling, Radio - stereo - TV cabinets, Railroad ties, Rustic furniture, Sills, Sporting Goods, Stools, Sub-flooring, Tool handles, Toys, Turnery, Vehicle parts

Product sources: Log production from this species is about 2% of Fiji's total timber production. It is often sold as 'Fiji hardwood' in a mixture with several other species.

Environment profile: Status has not been officially assessed

Colors: the heart isReddish brown, Yellowand the sapwoodWhite to yellow, Yellow.The grain isVariable figure, the textureMedium

Natural durability: Susceptible to attack from termites (Isoptera), Vulnerable to drywood termite attack

Odor: No specific smell or taste

Silica Content: Contains silica

Kiln Schedules: T3 - D2 (4/4) US

Kiln Drying Rate: Fairly rapid (11-17 days for boards under 32 mm, to 31-51 days for boards greater than 63 mm)

Drying Defects: Moderate collapse and honeycombing, Severe collapse and honeycomb

Ease of Drying: Rapidly

Tree Identification: Bole/stem form is not buttressed

Comments: General finishing qualities are rated as good

Blunting Effect: Severe

Boring: Fairly easy to very easy

Carving: Fairly Easy to Very Easy

Cutting Resistance: Easy to saw

Gluing: Fair to Good Results

Mortising: Fairly Easy to Very Easy

Moulding: Mortising, boring, routing, and carving are all difficult

Movement in Service: Mortising, boring, routing, and carving are all difficult

Nailing: Holds nails well, Very Good to Excellent

Planing: Planes well, to a good finish

Resistance to Impregnation: Extremely resistant

Resistance to Splitting: Poor

Response to hand tools: Easy to machine

Routing recessing: Fairly Easy to Very Easy

Sanding: Good sanding qualities

Screwing: Fairly Easy to Very Easy, Very Good to Excellent Results; Turning: Very Good to Excellent Results

Polishing: Fair to Good;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,64 0,7
Density 769 kg/m3
Bending Strength 804 1264 kg/cm2
Crushing Strength 90 116 kg/cm2
Hardness 957 kg
Impact Strength cm
Shearing Strength 166 kg/cm2
Stiffness 135 157 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 5 %
Weight 753 673 kg/m3
Maximum Load cm-kg/cm3
Toughness 275 cm-kg
Static Bending 518 704 kg/cm2
Item Green Dry English
Bending Strength 11440 17988 psi
Crushing Strength 1284 1661 psi
Density 48 lbs/ft3
Hardness 2110 lbs
Maximum Crushing Strength 6460 9789 psi
Shearing Strength 2375 psi
Static Bending 7370 10025 psi
Stiffness 1927 2247 1000 psi
Toughness 239 inch-lbs
Specific Gravity 0.64 0.7
Weight 47 42 lbs/ft3
Radial Shrinkage 5 %
Tangential Shrinkage 9 %

Density (dry weight) = 53-60 lbs/cu. ft. 0
Max. crushing strength = high 1
Bending strength (MOR) = medium
Shearing strength (parallel to grain) = medium
Modulus of Elasticity (stiffness) = medium
Modulus of Elasticity (stiffness) = high
Shrinkage, Tangential = large
Shrinkage, Tangential = moderate
Shrinkage, Radial = small
Shrinkage, Radial = moderate
Shrinkage, Radial = large
Shrinkage, Radial = fairly large
Density (dry weight) = 46-52 lbs/cu. ft.
Bending strength (MOR) = high
Shrinkage, Tangential = small
Shrinkage, Tangential = fairly large

Alston, A.S.,1966,Natural Heartwood Durability,Fiji Forestry Department, Suva. Fiji timbers and their uses No. 2Alston, A.S.,1966,Powder Post Beetle Lyctus Species,Fiji Forestry Department, Suva. Fiji timbers and their uses No.6Bolza, E., Kloot, N.H.,1972,The Mechanical Properties of 56 Fijian Timbers,Australia C.S.I.R.O. Division of Forest Products Technological Paper,No.,62Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Desch, H. E. 1957. Manual of Malayan Timbers. Malayan Forest Records, 28(30):315-318.Fiji Department of Forestry,1969,A Summary of the Properties of 34 Indigenous Timbers,Fiji Forestry Department, Suva. Fiji timbers and their uses No.38Fiji Department of Forestry,1972,Guide to the use of local timbers,Fiji Forestry Department, Suva. Fiji timbers and their uses No.55Fiji Forestry Department,1967,The Properties and Potential Uses of Rosarosa (Heritiera ornithocephala) A,Summary of C.S.I.R.O. Investigations,Fiji Timbers and their Uses No.18, Forestry Department Suva, FijiFiji Forestry Department,1969,Timbers for Flooring A Note on Current & Potential Species,Fiji Timbers and their Uses No.36, Department of Forestry, Suva, FijiFiji Forestry Department,1981,The Properties and Uses of 43 Indigenous and Exotic Timbers,Fiji Forestry Department, Fiji Timbers and their Uses No.71Keating, W.G., Bolza, E.,1982,Characteristics properties and uses of timbers. South East Asia, Northern,Australia and the Pacific,C.S.I.R.O. Div. Chemical Technology,Inkata Press,1
*Come interpretare i dati (manleva su eventuali imprecisioni)