Engineered Wood

Engineered wood is also called as composite wood, manmade wood or manufactured wood. These products are manufactured by binding strands, particles, fibre’s or veneers of wood together with a strong adhesive. These include plywood, hardboard, particle board, veneer sheet, oriented strand boards, Glulam, etc. These products are manufactured to make wood more easily to use for commercial purposes; be it construction, home appliances or even industrial purposes.

ADHESIVES USED FOR MAKING ENGINEERED WOOD

  • Urea-formaldehyde resins (UF): most common, cheapest, and not waterproof.
  • Phenol-formaldehyde resins (PF): yellow/brown, and commonly used for exterior exposure products.
  • Melamine-formaldehyde resin (MF): white, heat and water resistant, and often used in exposed surfaces in more costly designs.
  • Methylene diphenyldiisocyanate (MDI) or polyurethane (PU) resins: expensive, generally waterproof, and does not contain formaldehyde.

Below are some common engineered products:

 

Particle Board:
Particle board is the cheapest type of hard board. It is made from wood chips, saw dust, sawmill shavings, etc. bonded with synthetic resin or other suitable binder, which is pressed and extruded.

Particle board is cheaper, much denser and uniform than convectional wood. They have poor strength and very economically prized. Another major disadvantage of this board is that it is not resistant to moisture. It can expand or decolorize. Therefore it is hardly used for outdoor purposes.

Particle boards are used in making shelves, cabinet boxes, door frames, door hinges, cabinet frames, etc. Particle has good machining properties and hold screws in place under extreme weights as well.

  • CHARECTERISTICS: Poor strength and non-durable

  • USAGE:Furniture, cabinet frames, window and door frames, etc.

 

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