OVERVIEW of ABS Sheet - GP Forming Grade ABS Sheet (General Purpose ABS Plastic Sheets - thermoforming grade) is offered by Professional Plastics in a wide range colors & grades. ABS Sheets are produced in monolayer and co-extruded multilayer. Stocked in Standard Black and White with Hair Cell Finish on 1 Side. Custom colors also available. Custom formulations can be combined to provide performance an cost saving options such as Virgin Cap + Utility Base, Low Gloss (matte) Cap + Utility Base, and Custom Color Cap + Utility Base. Standard ABS Sheet Finish is Hair Cell 1 Side (Textured 1 Side, Smooth 1 Side) GP Forming Grade ABS Sheet is Durable and Easily Vacuum-Formed