Dow Jones LBO Wire broke the news, citing several people familiar with the transaction.
New York-based Snow Phipps invested in ArrMaz alongside the management team in 2008, resulting in an exit for previous owner GSO Capital Partners.
The company produces chemical process aids and additives for the phosphate mining asphalt, North and South American fertiliser and nitrogen chemical industries.
Golden Gate also owns US Silica, Atrium Companies and EP Minerals in the industrials space.
The firm bought EP in August last year through the buyout of EP Management Corp, citing the opportunity for growth and success in a market where ongoing changes were taking place.
EP Minerals started operations in Nevada in 1945 and has grown to become a worldwide leader in diatomaceous earth filter aids, functional additives and absorbents.
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