Spectra Composites supplies composite materials and production products to manufacturers across a wide range of industries, including marine, cultured marble, swimming pools, agriculture, transportation, infrastructure, and industrial applications.

When a manufacturer says they need "fiberglass," that description doesn't provide nearly enough information to determine which reinforcement is appropriate.

Polyester and vinyl ester resins are two of the most widely used resin systems in fiberglass-reinforced composites. Yet the question of which resin is "better" is not as straightforward as it may seem.

When purchasing composite materials, it's tempting to focus on one number: price per pound. But the lowest material price doesn't always mean the lowest manufacturing cost.

Learn how composite materials work together, including resin, fiberglass reinforcement, gel coats, core materials, fillers, and additives. Explore how to select composite materials for manufacturing.