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PYAUKSEIK (Holoptelea integrifolia)
Trade Name
Pyaukseik
Scientific Name
Holoptelea integrifolia Planch.
Family
ULMACEAE
Common Names
Papara (India); Wowoli (India); Thale (Myanmar); Indian elm (India); Pyankseik (Myanmar)
Description Of The Tree
Botanical Description
It is a large to very large tree which can attain over 100 cm in diameter, with cylindrical boles up to 18 meters.
Wood Identification
Anatomic Description Of Wood
Tangential diameter of vessel lumina 100 micras or less (very small). Vessels per mm2 more than 20 (very abundant). Simple perforation plates. Vessel-ray pits similar to intervessel pits in size and shape. Intervessel pits small, 7 micras or less. Axial parenchyma absent or extremely rare, non visible with magnifying glass (8x). Prismatic crystals in radial alignment in procumbent ray cells (chambered cells). Body ray cells procumbent with over 4 rows of upright and/or square marginal cells (Kribs-I). Septate fibers present. Fibers with distinctly bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Color
The heartwood is white yellow or yellow brown.
COLOR INDEX (1=Black, 7=Light yellow,white)
7
Grain
The grain is straight or interlocked
Texture
The texture is medium to coarse.
Natural durability index (1= Very high durability, 7=Vey low durability)
5
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.62
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.69
Wood Chemical Properties
Wood Mechanical Properties
Workability
Sawing
This species is easy to saw.
Rotary Veneer Cutting
This timber is reported to be suitable for lamination.
Sliced Veneer
This timber is reported to be suitable for lamination.
Machining
Machining operations are rather easy.
Moulding
Molding of this species is reported to be easy.
Sanding
Sanding of this species is reportedly easy.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, PLYWOOD AND VENEER, TOOLS, agricultural tools, OTHER AND MUSICAL INSTRUMENTS, handicrafts, pencil
General Housing
- 10 - Silica in Timbers
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Tools
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Agricultural Tools
- 44 - Atlas of Peruvian Woods
Handcraft
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Pencils
- 67 - Maderas latinoamericanas. VIII, Calophyllum brasilense, Couratari panamensis, Dendropanax arboreum y Bombacopsis sessilis
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