Polyesters

Polyester is a thermosetting resin matrix system and among the most used in the composites industry. Polyesters are most often used in sheet molding compound, bulk molding compound and with glass fiber in industrial, construction, infrastructure and other applications.
Article

Styrene ≠ polystyrene: An important distinction for composites

Definitions are important when discussing technology. Although often used interchangeably, the terms styrene and polystyrene refer to different materials.
Article

SMC: Old dog, more tricks

In the sheet molding compound renaissance, the advent of new resins and compounds are broadening the definition and application of this versatile family of composites.

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INEOS Composites’ Aropol resin emphasizes cosmetics, low shrinkage

Aropol LP 67400 unsaturated polyester resin is suited for above-water-line marine and pontoon small parts, as well as RV parts.