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AS-Level ­ Graphics ­ Adhesives
Adhesives
An adhesive is a mixture in a liquid or semi-liquid state that adheres or bonds items together. .
Adhesives may come from either natural or synthetic sources. The types of materials that can be
bonded are vast but they are especially useful for bonding…

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The bond forms because the adhesive is soft enough to flow (i.e. "wet") the adhered. The bond has
strength because the adhesive is hard enough to resist flow when stress is applied to the bond.



Contact Adhesives
Contact adhesives are used in strong bonds with high shear-resistance like laminates, such…

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Synthetic adhesives
Synthetic adhesives are based on elastomers, thermoplastics, emulsions, and thermosets.



Glues for Different Materials
Wood
You have the simple wood glue but there is so much more to it than that. There are many different
types, such as:

- urea-formaldehyde resin adhesives feature low cost

- Resorcinol-formaldehyde resin…

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Plastic
- Epoxy adhesives, perhaps the strongest of all adhesives, is used to build planes, vehicles and
sports equipment

- Hot-melt adhesive is a solid adhesive made from thermoplastic resins. It comes in a solid or
semi-solid form and does not need to be mixed with an organic solvent.

-…

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