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Ditta 5
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Ditta 1
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Mastate
Mastate (Poulsenia armata)

Family: Moraceae

Common names: Abababite, Carnero, Chirimoya, Cocua, Corbon, Cucua, Cucua damagua, Damagua, Majagua, Maragua, Mastate, Namagua, Tachore, Tumu, Yanchama

Distributed in: Bolivia, Colombia, Columbia, Costa Rica, Ecuador, Honduras, Mexico, Nicaragua, Panama, Peru (Central America, Latin America)

Distribution overview: The geographical range of the species extends from Vera Cruz, Mexico, through Central America and southward into Colombia, Ecuador and Bolivia in South America.

Common uses: Boxes and crates, Construction, Furniture, Interior construction, Light construction, Mine timbers, Plywood corestock, Toys, Turnery, Veneer

Environment profile: Status unknown in many of its growth areas

Tree size: Tree height is 20-30 m

Colors: the heart isRed, Yellow to golden-yellow to orangeand the sapwoodSame as heartwood, White to yellow.The grain isStraight to interlocked, the textureMediumand the lusterPronounced

Natural durability: Very durable, Very little natural resistance when in contact with ground

Odor: No specific smell or taste

Silica Content: Siliceous

LightInduced Color Change: Darker

Kiln Schedules: Dry at a moderate speed

Drying Defects: No surface checking, No twisting or warping

Ease of Drying: Moderately Difficult to Difficult

Tree Identification: Bole/stem form is buttressed

Comments: General finishing qualities are rated as poor

Blunting Effect: Severe and rapid blunting effect

Boring: Fairly easy to very easy

Carving: Fairly Easy to Very Easy

Cutting Resistance: Surfaces tend to be woolly

Mortising: Fairly Easy to Very Easy

Moulding: Fairly Easy to Very Easy

Movement in Service: Fairly Easy to Very Easy

Planing: Fairly Easy to Very Easy

Resistance to Impregnation: Resistant sapwood

Response to hand tools: Responds Readily

Routing recessing: Fairly Easy to Very Easy

Sanding: Fairly Easy to Very Easy

Turning: Interlocked grain & silica content affect results


  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,31
Density 400 kg/m3
Bending Strength 429 588 kg/cm2
Crushing Strength 212 362 kg/cm2
Hardness 148 kg
Impact Strength cm
Shearing Strength kg/cm2
Stiffness 71 76 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 3 %
Weight 400 336 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 6111 8372 psi
Density 25 lbs/ft3
Hardness 327 lbs
Maximum Crushing Strength 3027 5157 psi
Stiffness 1017 1089 1000 psi
Specific Gravity 0.31
Weight 25 21 lbs/ft3
Radial Shrinkage 3 %
Tangential Shrinkage 7 %

Bending strength (MOR) = low
Hardness (side grain) = very soft
Density (dry weight) = 23-30 lbs/cu. ft.
Shrinkage, Tangential = moderate
Shrinkage, Radial = small
Modulus of Elasticity (stiffness) = very low
Max. crushing strength = medium
Max. crushing strength = low
Low resistance to denting and marring
Density = medium

Altamirano, S.V.,1992,Maderas de Bolivia (Caracteristicas y usos de 55 maderas tropicals,Camara Nacional ForestalChudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Little, E.L.,1948,A Collection of Tree Specimens from Western Ecuador,Caribbean Forester,9(3,pp215-98Peru - P.A.D.T.,1981,Descripcion general y anatomica de 105 Maderas del Grupo Andino,Junta del Acuerdo de Cartagena, P.A.D.T. Report, Junac, Lima, Peru.Record, S.J., Hess, R.W.,1940,American Woods of the Family Moraceae,Tropical Woods,8(61,pp11-54Record, S.J., Hess, R.W.,1943,Timbers of the New World,Yale University PressTakahashi, A.,1975,Compilation of data on the Mechanical Properties of Foreign Woods (Part 2,Central and South America,Shimane University, Japan, Research Report on Foreign Wood No.4WCMC. 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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