This wide range of epoxy adhesives and polyester resins is produced mostly as two-component systems. Curing is effected by the reactions of a resin and a hardener.

These adhesives are essentially a resin bonding agent (liquid or powder) which sets as a result of chemical action with a hardener. A catalyst may be added to accelerate setting at room temperature.

This guide explains how to use three of the common composite casting materials, used in schools. 

Casting can take many forms, this resources identifies a number of resources that should be considered prior to embarking on any activity where liquid materials are being formed into solid objects.

This may include; resin, plaster, wax.

Where metals, such as pewter or aluminium are to be used, information is available in the Pewter Casting resource.