Primex's Prime Sulapac sheets are positioned as substitutes for conventional plastics such as polystyrene (PS), polypropylene (PP), and polyethylene terephthalate (PET).

Primex Plastics Corp. is now making customized sheet based on Sulapac-brand biomaterial. In a news release, officials with Primex in Richmond, Ind., said Prime Sulapac sheets "offer a safe ...