Wet Processing

December 6th, 2017

Hardboard production involves reducing wood to fibres to create fibreboard. With wet processing, the fibres are suspended in water, then laid out on a mat to dry. This step releases the lignin resins which acts as a natural adhesive, bonding the wood fibres together, without need for an artificial, chemical bonding agent.  However, some wet processed boards include such artificial bonding agents to add particular properties to the wood.

To tell the difference between dry and wet processed hardboard, dry board is typically smooth on both sides.; wet board has a “mesh” finish to one side. This is a result of water draining out of that side during pressing.  However, hardboard for furniture that is sanded doesn’t have a mesh finished side, but there’s still a noticeable difference in each side, as one finish is polished and the other is matt .

Last Modified / Updated on: March 17, 2017 at 4:43 pm

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    With wet processing, the fibres are suspended in water, then laid out on a mat to dry. This step releases the lignin resins which acts as a natural adhesive, bonding the wood fibres together, without need for an artificial, chemical bonding agent.

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