CANZ Glossary of Terms

The process of manually building up layers of fibreglass, with roll stock reinforcements and resin, using hand rollers, brushes and spray equipment.

Acronym for Hazardous Air Pollutants. Over 180 chemicals identified by Congress in 1990 Clean Air Act, Section 112. In this law, Congress mandated EPA to control emissions of these chemicals. EPA has endeavoured to do this through a series of MACT standards (see (MACT”).

Substance that reacts with epoxy resin to promote or control curing action.

Term used colloquially to indicate any temperature above ambient (room) temperature, to which part or material is or will be subjected.

Thermosetting resin convertible by heat to an infusible and insoluble mass.

Polyester resin with exceptional fire qualities based chloridic acid.

Temperature at which test bar deflects a certain amount under specified load (e.g.: temperature at which material softens).

Laminates moulded and cured at pressures not lower than 1000 psi.

Ply laid onto mandrel at an angle, often 45° (degree) angle.

Completely sealed, airtight.

Manufactured product of sheet metal or resin-impregnated sheet (paper, fibrous glass, etc.) that has been formed into hexagonal shaped cells. Used as core material for sandwich construction.

Ply laid onto mandrel at a 90 ° (degree) angle.

Circumferential stress in cylindrically shaped part as a result of internal or external pressure.

Composite with two or more types of reinforcing fibres. Also refers to composite prepared from a polymer which uses more than one type of chemistry, such as XYCON polyester/polyurethane hybrid material.

Resin with two or more types of chemistries combined.

Moisture resistant capability, moisture repelling.

Moisture absorbing capability.