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Blunting Effect
Boring
Comments
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Drying Defects
Ease of Drying
Family Name
Grain
Heartwood Color
Kiln Drying Rate
Kiln Schedules
Luster
Mortising
Nailing
Natural Durability
Numerical Data
Planing
References
Regions of Distribution
Response to Hand Tools
Routing & Recessing
Sapwood Color
Scientific Name
Silica Content
Strength Properties
Texture
Trade Name
Tree Identification
Tree Size
Turning
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Common Names
Anaura, Gris-gris, Gris-gris coumate, Gris-gris rouge, Kauston, Marish, Marishiballi, Sponsoehoedoe
Regions of Distribution
Latin America
Countries of Distribution
[VIEW MAP]
Brazil, French Guiana, Guyana
Common Uses
Boat building: framing, Bridge construction, Charcoal, Fuelwood, Heavy construction, Light construction, Marine construction, Piling, Posts, Shingles
Heartwood Color
| Red |
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| Brown |
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| Pink |
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| Brown |
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| Yellow to golden-yellow to orange |
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| Dark brown |
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Sapwood Color
| Red |
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| Different than heartwood |
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| Clearly differentiated from the heartwood |
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| Paler than heartwood |
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Grain
Texture
Luster
Natural Durability
| Moderately durable |
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| Susceptible to insect attack |
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| Resistant to powder post beetles |
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| Resistant to attack from marine borers |
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| Moderately durable |
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Silica Content
Kiln Schedules
Drying Defects
| Checking |
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| Slight twist/warp |
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| Slight surface checking |
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| Slight spring/bow |
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| No twisting or warping |
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| No end splitting |
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Ease of Drying
| Fairly Easy |
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| Slowly |
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| Moderate |
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| Difficult |
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Kiln Drying Rate
| Naturally dries at a moderate speed |
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Tree Identification
| Bole/stem form is not buttressed |
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| Bole/stem form is cylindrical |
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Tree Size
| Bole length is 20-30 m |
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| Tree height is 30-40 m |
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| Tree height is 40-50 m |
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| Trunk diameter is 100-150 cm |
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Comments
General finishing qualities are rated as good
Blunting Effect
| Little |
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| Blunting effect on machining is severe |
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Boring
| Fairly easy to very easy |
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| Moderately easy |
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Cutting Resistance
Mortising
| Very Good to Excellent Results |
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| Fair to Good Results |
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Nailing
| Fairly Difficult to Very Difficult |
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Planing
| Fairly Easy to Very Easy |
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| Very Good to Excellent Results |
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| Fair to Good Results |
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| Planes well, to a good finish |
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Response to Hand Tools
Routing & Recessing
| Fairly Easy to Very Easy |
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| Very Good to Excellent Results |
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| Fair to Good Results |
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Turning
| Fairly Easy to Very Easy |
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| Very Good to Excellent Results |
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| Fair to Good Results |
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Strength Properties
| Density (dry weight) = 67-75 lbs/cu. ft. |
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| Work to Maximum Load = low |
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| Modulus of Elasticity (stiffness) = very high |
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| Density (dry weight) = 61 - 67 lbs/cu. ft. |
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| Hardness (side grain) = very hard |
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| Bending strength (MOR) = very high |
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| Modulus of Elasticity (stiffness) = medium |
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| Modulus of Elasticity (stiffness) = low |
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| Max. crushing strength = very high |
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| Max. crushing strength = high |
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| Density (dry weight) = 53 - 60 lbs/cu. ft. |
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| Shrinkage, Tangential = large |
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| Shrinkage, Radial = large |
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| Hardness (side grain) = hard |
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| Bending strength (MOR) = high |
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Numerical Data
| Item | Green | Dry | English |
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| Bending Strength | 19075 | 27192 | psi |
| Density | | 47 | lbs/ft3 |
| Hardness | | 2784 | lbs |
| Maximum Crushing Strength | 8467 | 11767 | psi |
| Shearing Strength | | 1883 | psi |
| Stiffness | 2578 | 3011 | 1000 psi |
| Work to Maximum Load | 9 | 12 | inch-lbs/in3 |
| Weight | 52 | 46 | lbs/ft3 |
| Radial Shrinkage | 6 | | % |
| Tangential Shrinkage | 10 | | % |
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| Item | Green | Dry | Metric |
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| Bending Strength | 1341 | 1911 | kg/cm2 |
| Density | | 753 | kg/m3 |
| Hardness | | 1262 | kg |
| Maximum Crushing Strength | 595 | 827 | kg/cm2 |
| Shearing Strength | | 132 | kg/cm2 |
| Stiffness | 181 | 211 | 1000 kg/cm2 |
| Work to Maximum Load | 0.63 | 0.84 | cm-kg/cm3 |
| Weight | 833 | 737 | kg/m3 |
| Radial Shrinkage | 6 | | % |
References
Brown, W.H.,1978,Timbers of the World, No. 2 South America,TRADA, Red Booklet Series
Fanshawe, D.B.,1954,Forest Products of British Guiana Part 1 Principal Timbers,Forest Department British Guiana Forestry Bulletin (New Series 2nd,Edition,No.1
Longwood, F.R.,1962,Commercial Timbers of the Caribbean,U.S.A. Department of Agriculture, Agriculture Handbook,No.207
Wangaard, F.F., et al,1954,Properties and Uses of Tropical Woods 4,Tropical Woods,14(99, pp1-187
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