Oriented strand board (OSB) is a type of engineered wood similar to particle board, formed by adding adhesives and then compressing layers of wood strands (flakes) in specific orientations.

1. Product Introduction of OSB(Oriented Strand Board)

Oriented strand board (OSB) is a building material made from shredded or flaked timber particles. OSB is often used for similar purposes as plywood or fibreboard. Its name is taken from the placement of the individual timber particles it is made from, which are aligned by a machine, and coated in resin and wax. Each layer is laid perpendicular to the previous in order to maximise the strength of the finished product. Once the desired thickness has been achieved, the strands are heated and pressed together to result in a board that is strong, thin, durable and flexible.

2. Product Parameter of OSB(ORIENTED STRAND BOARD)

OSB(ORIENTED STRAND BOARD)

In general, 4 categories are established depending on the requirement of their use (standard EN 300).

• OSB-1. For general use and indoor applications (including furniture) used in a dry environment.

• OSB-2. Structural for use in dry environment.

• OSB-3. Structural for use in a humid environment.

• OSB-4. High structural performance for use in a humid environment.

Types 3 and 4 are the most likely to be found in any lumber company.

two edge types:

• Square edge OSB panels

• T&G OSB panels

3. Product Typical Feature of OSB(ORIENTED STRAND BOARD)

Product Feature of OSB(ORIENTED STRAND BOARD)

JEWOO OSB(ORIENTED STRAND BOARD) 

Dimensional stability. It has excellent stability, just slightly below that offered by plywood. Longitudinal: 0.03 – 0.02%. Overall: 0.04-0.03%. Thickness: 0.07-0.05%.

Excellent resistance and high load capacity. This characteristic is directly related to the geometry of the chips and the properties of the adhesives used.

Does not have nodes, gaps or other types of weaknesses such as plywood or solid wood. What these defects produce is that at certain points the plaque is weaker.

Thermal and acoustic insulation. It offers parameters similar to those naturally offered by solid wood.

Workability. It can be worked with the same tool and machined in the same way as other types of boards or wood: cut, drill, drill or nail.

4. Application of OSB(ORIENTED STRAND BOARD)

• Covers or ceilings. Both as a suitable support for a roof and as part of sandwich panels.

• Floors or floors. Floor support.

• Wall covering. In addition to standing out in this use for its mechanical properties, it should be noted that because it is made of wood, it has interesting characteristics such as thermal and acoustic insulation.

• Double wooden T beams or beam web.

• Formwork.

• Construction of stands for fairs and exhibitions.

5. Product Qualification of OSB(ORIENTED STRAND BOARD)

The Qualification of OSB(ORIENTED STRAND BOARD) as below:

6. Production-line,Package and Loading

OSB(ORIENTED STRAND BOARD) Production line

Oriented strand board (OSB) is a structural panel composed of thin wood strands chipped from aspen logs. Since they are cut in the direction of the fiber, the strands retain the strength of the wood, making a resistant material.

1) Sorting, after harvesting, the logs are transported to the factory wood yard where they are sorted according to species.

2) Preparation,the logs are immersed in conditioning ponds for cleaning and thawing, to prepare for processing.

3) Debarker, the logs then pass through a debarker, where the bark is stripped off. The bark will be used as fuel for the plant’s energy production.

4) Stranding, the logs are then sliced into thin strands (wafers) of a specific size.

5) Wet Bins, the strands are stored in wet bins until ready to be dried.

6) Drying,the strands pass through a rotary dryer until the desired humidity is reached. Fine particles are sieved off, for use as an energy source.

7) Blender,the strands are then mixed with resin and a small amount of wax, which improves the efficiency of the resin and increases resistance to moisture and water absorption.

8) Formation Line, The strands pass through orienters which form a mat composed of individual layers superimposed perpendicularly to each another.

9) Pressing,The mats are pressed at high pressure and high temperature which causes the resins to react, thus forming a high density structural panel.

10) Finish line, The panels are cut into standard sizes (4 ‘x 8’), and stamped according to grade. Once stacked in bundles, a sealant is applied to the sides to increase water resistance.

OSB(ORIENTED STRAND BOARD) Packing

OSB(ORIENTED STRAND BOARD) Loading