Any substance added to another substance, usually to improve properties, such as plasticizers, initiators, light stabilizers, and flame retardants. See also filler . A detail or part prepared for bonding. The state in which two surfaces are held together at an interface by mechanical or chemical forces or interlocking action or both. Also called primer.
Adhesive can be in film, liquid, or paste form.
The general area of contact for a bonded structure. An early stage in the reaction of a thermosetting resin in which the material is still soluble and fusible. Also called a lot. The bleeder cloth is removed after the curing process is complete and is not part of the final composite. The excess liquid resin appearing at the surface primarily occurring during filament winding.