Blue Sea Capital, a private equity firm, completed an investment in Abrasive Technology, a provider of superabrasive products for the dental, aerospace, medical and industrial end markets. Financial terms were not disclosed. "We selected Blue Sea as our partner based on their appreciation for our people-focused culture and alignment with the value system that we have embraced for the last fifty years, including collaboration, involvement, trust and integrity," Butch Peterman, Abrasive Technology President.