| Scientific Name |
Dipterocarpus indicus Bedd |
| Trade Name |
gurjan |
| Local Name |
kalpayin |
| Family |
Dipterocarpaceae |
| Tree Size |
very large |
| Tree Height ( m ) |
37 - |
| Tree Diameter ( cm ) |
120 - |
| Tree Distribution |
west coast tr |
| Sapwood-Heartwood Distinction |
Indistinct |
| Sapwood Colour |
greyish white to pale brownish white |
| Heartwood Colour |
greyish to reddish brown |
| Hardness |
moderately hard |
| Specific Gravity Based on Weight Over-dry and Volume Green |
|
| Weight |
moderately heavy |
| Weight(Kg)/cubic meter at 12% Moisture Content |
|
| Texture |
coarse |
| Grain |
Straight to somewhat interlocked or irregular |
| Growth Rings |
Indistinct |
| Porosity |
diffuse porous |
| Vessel Size |
large to medium |
| Vessel Arrangement |
Few to moderately numerous, mostly solitary |
| Vessel Diameter |
- |
| Vessel Element Lenght |
- |
| Perforation |
|
| Pit Outline |
|
| Pit Size |
|
| Vessel Ray Pitting |
|
| Ray Nature |
moderately broad to fine, closely spaced |
| Ray Arrangement/Type |
|
| Ray Number |
- |
| Ray Height |
- |
| Fibre Walls |
|
| Fiber Length |
|
| Modulus of Rupture in kg/cm2 (Green) |
789 |
| Modulus of Elasticity in kg/cm2 (Green) |
162900 |
| Modulus of Rupture kg/cm2 (Dry) |
1245 |
| Modulus of Elasticity in kg/cm2 (Dry) |
201400 |
| Uses |
Construction purposes like beams, ceiling floor boards; bridge construction; Class I plywood and veneers ; poles and cross arms; railway sleepers; boat and shipbilding; cart and carriages |