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Making Compreg Palm Wood

Compreg palm wood with desirable biological, physical and mechanical properties suitable for structural applications.

The best parts of oil palm trunk are located at the outer layer of the trunk, which contradicts with conventional wood that having the best parts at the core of the trunk. Conventional log sawing techniques does not fully utilize the best parts of the oil palm trunk.

Even when the best lumber is produced, the oil palm wood itself has inherent inferior properties that make it unsuitable for a variety of end use. It’s low and uneven density, low strength, low durability and poor machining characteristics makes the oil palm wood inferior to conventional wood.

There are also problems in the drying process of oil palm wood due to its high and uneven distribution of moisture.

The palm wood enhancement process takes a long time and requires precise steps and exact variables to enable the production of compreg oil palm wood with desirable biological, physical and mechanical properties. In summary, the existing methods of producing compreg oil palm wood is difficult and time consuming.

Modifying the sawing, compression, and drying steps in the 6-steps process. The inner part and outer part of the trunk were segregated and processed differently. As the result, the utilization rate of the material increased from just 30% to 90%, and the total processing time shorten by more than 10 times (from 88 hours to 8 hours).

The primary use of the integrated treatment and treatment process of oil palm wood is to produce high performance oil palm wood. This product can be used as housing, furniture and also decorative material.

The potential application can be extended to other non-woody materials such as other species of palms (Eg: Coconut Palm, Date Palm).



  • Easier processes that can be done by medium skilled operator with simpler apparatuses.
  • Very fast process by at least a factor of 10.
  • Cheaper processing cost.
  • Fully utilization of the material as both inner and outer part of the oil palm trunks could be utilized.
  • The produced compreg palm wood has excellent dimensional stability, mechanical properties and biological durability compared to that of conventional wood intended for exterior applications.


Dr. Lee Seng Hua
Institute of Tropical Forestry and Forest Product, Universiti Putra Malaysia
Email  :

Tarikh Input: 30/06/2022 | Kemaskini: 30/06/2022 | asrizam


Universiti Putra Malaysia
43400 UPM Serdang
Selangor Darul Ehsan