Properties / Applications: Bayseal open-cell X (OCX) spray-applied polyurethane foam insulation is produced with a two component, low density, non-structural insulation system designed for commercial, industrial and residential applications. The Bayseal OCX system is comprised of an "A" component (aromatic diisocyanate) and a blended "B" component which includes polyols, fire retarding materials and catalysts. Bayseal OCX system has passed the International Code Council Acceptance Criteria 377 for spray-applied polyurethane foam insulation, Appendix X for use without the use of the prescribed ignition barrier. As with any product, use of Bayseal OCX foam-forming system must be tested (including, but not limited to, field testing) in advance by the user to determine suitability.

Covestro sold their spray polyurethane foam business to Accella in 2017.