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Natural Adhesives


Natural Adhesives

Generally set by solvent evaporation.   They are generally of low strength and are susceptible to moisture and mould.   Their use is restricted to the joining of low strength materials.   Natural adhesives include animal glues, fish glues, vegetable glues and casein.

A vast quantity of natural adhesives are used throughout the world mainly based on starch and casein and mainly in the packaging industry for labels and low cost packaging tape

Type Notes
Materails bonded
Animal Made from collagen, (Skin/bone) with sugar and glycerol added for flexiblily.  
Materials Bonded...: Wood, Leather, Porous materials
Fish Improved temperature resistance, resistance to water compared to above.
Materials Bonded...:Wood joints, Interier wood, Leather, Porous materials, Paper /Cardboard
Vegetable Based on starch, dextrine.  Supplied as a powder for mixing with water. Low strength. Low resistance to water/high temps.
Materials Bonded...:Interier Wood, Paper /cardboard
Casein Made from milk precipitated with acid. Supplied a powder for mixing with water. Improved properties compared to all above glues.
Materials Bonded...:Wood, Paper asbestos products




Sites Providing Relevant Information
  1. British Adhesive and Sealants Association.. Trade body representing the interests of adhesives and sealants manufacturers in the UK
  2. Adhesives Toolkit..The Adhesives Design Toolkit - Very very useful information source
  3. Adhesives Magazine ..Magazine with useful articles
  4. Design Bites.. Download booklet "Joining technique" Including section on Adhesives -very good value for 5

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Last Updated 11/11/2010