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

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Ditta 4
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Ditta 3
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Ditta 2
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Ditta 1
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Ditta 0
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RangguRanggu
Ranggu (Koordersiodendron pinnatum)

Family:

Common names: Ambugis, Amugis, Bangkahasi, Bangkalari, Dangila, Gagil, Kalumanog, Kantingen, Karogkog, Lakolako, Magalibas, Maguyabud, Marasantog, Mugis, Oris, Ranggu, Sambalagan, Sambulauan, Sarga, Taligaan, Twi, Uris, Urisan

Distributed in: Indonesia, Malaysia, Philippines (Oceania and S.E. Asia)

Distribution overview: Philippines, Celebes, and Borneo (including Sabah); a scattered tree in lowland forests.

Common uses: Flooring, Furniture components, Joinery, Turnery

Environment profile: Unknown because of lack of information

Tree size: Trunk diameter is 100-150 cm

Colors: the heart isWhite, Yellowand the sapwoodWhite, Yellow.The grain isWavy, the textureUniformand the lusterVariable luster

Natural durability: Susceptible to insect attack, Susceptible to termite attack

Odor: No specific smell or taste

Silica Content: Siliceous

Kiln Schedules: Schedule K (4/4) United Kingdom

Drying Defects: Severe cupping, Shakes

Ease of Drying: Reconditioning Treatement

Blunting Effect: Moderate effect

Boring: Fairly easy to very easy Tool exits should be adequately supported to prevent break-out during boring

Carving: Fairly Easy to Very Easy

Cutting Resistance: Fairly Difficult to Very Difficult to saw

Gluing: Very Good to Excellent Results

Mortising: Fairly Easy to Very Easy The timber is reported to mortise well, but it requires to be supported firmly at tool exits to prevent break-out

Moulding: Fairly Easy to Very Easy

Movement in Service: Fairly Easy to Very Easy

Nailing: Fairly Easy to Very Easy, Very Good to Excellent

Planing: Responds well to most tools, especially those with tipped cutters

Resistance to Impregnation: Resistant sapwood

Response to hand tools: Responds Readily

Routing recessing: Fairly Easy to Very Easy

Sanding: Fairly Difficult to Very Difficult

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

Polishing: Satisfactory; Staining: Satisfactory staining qualities ;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,65 0,71
Density 865 kg/m3
Bending Strength 1025 1462 kg/cm2
Crushing Strength 538 741 kg/cm2
Hardness 826 kg
Impact Strength 106 134 cm
Shearing Strength 173 kg/cm2
Stiffness 140 234 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage %
Weight kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 14586 20800 psi
Density 54 lbs/ft3
Hardness 1823 lbs
Impact Strength 42 53 inches
Maximum Crushing Strength 7657 10550 psi
Shearing Strength 2465 psi
Stiffness 1992 3338 1000 psi
Specific Gravity 0.65 0.71
Weight 65 53 lbs/ft3

Max crushing strength = very high
Heavy
Density = high
Compression strength (parallel to grain) = high
Bending strength (MOR) = very high
It is far superior in strength to either Teak or Hard maple. It is harder than Hard maple or Teak. It is quite resistant to denting

Boone, R.S., C.J. Kozlik, P.J. Bois and E.M. Wengert. 1988. Dry Kiln Schedules for Commercial Woods: Temperate and Tropical. United States Department of Agriculture, Forest Service, General Technical Report FPL-GTR-57, Forest Products Laboratory, Madison, Wisconsin.Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Lavers, G.M. 1969. The Strength Properties of Timbers. Forest Products Research Bulletin, No. 50 (Second Edition, Metric Units). Ministry of Technology, Her Majesty's Stationery Office, London.Schneider, E.E. 1916. Commercial Woods of the Philippines: Their Preparation and Uses. Bulletin No. 14. Department of the Interior, Bureau of Forestry, Manila, Philippines.WCMC. 1992. Conservation Status Listing: Trees and Timbers of the World. World Conservation Monitoring Center (WCMC, Plants Program, 219 Huntingdon Road, Cambridge, CB3 ODL, United Kingdom.
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