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CONSTRUCTION

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SPORTS

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AEROSPACE

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DEFENSE

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MARINE

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ADHESIVE

A thermoset resin (e.g., epoxy, phenolic or BMI) in the form of a thin film or paste, cured under heat and pressure to bond a wide range of composite, metallic and honeycomb surfaces.

CARBON FIBER

Fiber produced by carbonizing precursor fibers based on PAN (polyacrylonitrile), rayon or pitch. The term is often used interchangeably with graphite. However, carbon fibers and graphite fibers are made and heat treated at different temperatures and have different carbon contents.

ARAMID

A high strength, high stiffness fiber derived from polymid. Kevlar(tm) and Nomex(tm) are examples of aramids.

COMPOSITE MATERIAL

Product made by combining two or more dissimilar materials such as fibers and resins to create a product with exceptional structural properties not present in the original materials.

STRUCTURES

Finished components for aircraft and industrial applications. For aircraft, these may be for primary or secondary external structures. Truck applications include chassis fairings and floors.

RESIN MATRIX

In reinforced fiber composites, a formulated polymeric substrate.

REINFORCEMENT FABRICS

Woven fiberglass, carbon or aramid fabrics used in production of prepregs and honeycomb.

REINFORCEMENT

A strong material which when combined with a resin matrix forms a composite material. Reinforcements are usually continuous fibers, which may be woven. Fiberglass, aramid and carbon fibers are typical reinforcements.

PREPREG (PRE-IMPREGNATED)

A composite material made from combining high performance reinforcement fibers or fabrics with a thermoset or thermoplastic resin matrix. When cured under high temperature and pressure, exceptional structural properties are achieved.

PRECURSOR

The PAN, rayon or pitch fibers from which carbon or graphite fibers are derived.

PAN (POLYACRYLONITRILE)

A polymer which when spun into fiber is used as a precursor material in the manufacture of certain carbon fibers.

MODULUS OF ELASTICITY

The physical measurement of stiffness in a material. A high modulus indicates a stiff material.

FILAMENT WINDING

A process to manufacture composite materials components such as rocket casings and cylinders. Fiber filaments are impregnated in a resin matrix and then wound in a predetermined pattern over a form of the desired component.

FIBERGLASS

Filaments made by drawing molten glass. Woven by Hexcel into fabrics and commonly used as a composite reinforcement.