| Scientific Name |
Hopea utilis (Bedd.) Bole |
| Trade Name |
Kongu |
| Local Name |
Karan-kongu |
| Family |
Dipterocarpaceae |
| Tree Size |
Large |
| Tree Height ( m ) |
25 - |
| Tree Diameter ( cm ) |
60 - |
| Tree Distribution |
Restricted localities in West coast semi-evergreen forest |
| Sapwood-Heartwood Distinction |
Distinct |
| Sapwood Colour |
Light olive brown |
| Heartwood Colour |
Yellowish-brown |
| Hardness |
Very hard |
| Specific Gravity Based on Weight Over-dry and Volume Green |
|
| Weight |
Very heavy |
| Weight(Kg)/cubic meter at 12% Moisture Content |
995 - |
| Texture |
Fine to very fine |
| Grain |
Shallowly interlocked |
| Growth Rings |
Fairly distinct |
| Porosity |
Diffuse porous |
| Vessel Size |
Very small |
| Vessel Arrangement |
Arranged in short radial or oblique chains, rarely solitary, often in zig-zag fashion |
| Vessel Diameter |
- |
| Vessel Element Lenght |
- |
| Perforation |
|
| Pit Outline |
|
| Pit Size |
|
| Vessel Ray Pitting |
|
| Ray Nature |
Fine, closely spaced |
| Ray Arrangement/Type |
|
| Ray Number |
- |
| Ray Height |
- |
| Fibre Walls |
|
| Fiber Length |
|
| Modulus of Rupture in kg/cm2 (Green) |
1254.7 |
| Modulus of Elasticity in kg/cm2 (Green) |
169200 |
| Modulus of Rupture kg/cm2 (Dry) |
1510.7 |
| Modulus of Elasticity in kg/cm2 (Dry) |
187200 |
| Uses |
Building construction; railway sleepers; poles, cross arms, ballies and fence posts; planks; cart wheels |