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Epoxy adhesive for wood bonding

Epoxy glue or epoxy adhesive is glue that contains epoxy resin as the main ingredient. The epoxy is the resin produced by the condensation reaction in which a polyhydric compound and epichlorohydrin are reacted in the presence of alkali. Epoxy adhesive is a two component material, it contains two materials the epoxy resin and the hardener that need to be mixed in the proper composition in application. Hardener will crosslink the epoxy to make a dry, hard and strong bond. There are some chemical can be used as hardener :  amines, thiols, hydroxides, and acid groups, but amines are the most common used hardener.
The epoxy glue is a versatile adhesive and widely used for various purposes such as: the building construction, bicycles, sports equipment, boats, decking and even the aircraft construction. Epoxy adhesive can be used to bond the glass, metal, plastic, wood, and iron. It can be made in wide range performance from the clear, transparent, to the opaque looked; it can also be formulated in an elastic or rigid form, fast or slow dry. In the wood adhesive, the epoxy is widely used for outdoor furniture, boats, decking or construction. The adhesive has some advantages such as: cure at ambient temperatures, have good gap filling ability, and available to bond for many types of substrates. The epoxy glue can be used to bond to the wood as well as to repair the damaged wood at structural members.
But the uses of epoxy adhesive in wood furniture is quite rare. It could be caused by two factors, the price is relatively expensive and the unsatisfied bonding result. The study and test carried out to the epoxy adhesive showed high failure compared with other types of glue that is cheaper and easier to be used. Two major factors that contribute to durable wood bonds are less creep and its ability to withstand the tension caused by changes in humidity of the wood.



epoxy for bamboo laminated

The tips to use the epoxy adhesive:
  • The epoxy adhesive is more suitable to make the outdoor wood product. It is waterproof, and has high resistant to the outdoor weather. It can be used to laminate or assembly the patio furniture, garden furniture, fences, decking, boat and other outdoor wood product. The glue is expensive and considered is not suitable for the product that does not strong bond such as : indoor furniture, plywood, barecore, m.d.f., particle and other indoor product.
  • Select the proper epoxy adhesive according to the project. They are available in many forms: liquid, paste, more elastic or more rigid, longer drying or faster drying, Choose the most suitable formula according to production process and condition. 
  • Prepare well the wood. The failure of the wood bonding mostly is caused by the wood problem. The high wood moisture content is the main factor for the bad bonding. Make sure the wood pieces have dry enough and have uniform m.c. to get best result.
  • Make sure to read and follow the instruction according to the adhesive product data sheet. Read the specification about the time curing, the pressure recommended and the mixing ratio of the adhesives.

11 comments for "Epoxy adhesive for wood bonding"

  1. Thanks for visiting and commenting in this website.

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  2. thanks for sharing unique information on epoxy adhesive

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    1. You welcome.

      Thanks for visiting and commenting in here.

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  3. yes indeed epoxy glue is very essential in making household furniture...

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  4. Thanks for sharing this post with us...its nice information about epoxy....cyanoacrylate.

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    Replies
    1. Yes you welcome
      Thanks for visiting and commenting in here.
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