North Grafton, Massachusetts
Established in 1868, Washington Mills holds the distinction of being the oldest abrasive grain company in continuous operation in the United States and perhaps the world. Located in central Massachusetts, Washington Mills produces abrasive grain to exacting specifications for a wide variety of end markets.
Niagara Falls, New York
Washington Mills’ fused minerals come to life at our Niagara Falls, NY location. The Niagara Falls location produces crude ore through the furnacing process as well as final grains and powders for a wide variety of customers and applications. It is home to some of the only fused mineral products furnaced in North America today. Niagara Falls has a large Laboratory Services Group that offers complete laboratory and material testing services to customers. Our Research and Development Group offers pilot scale custom fusions and milling to develop custom products for our customers.
Tonawanda, New York
The Tonawanda manufacturing plant produces abrasive grain to exacting specifications for a wide variety of end markets.
Washington Mills Hennepin is a leader in the manufacture of crystalline and metallurgical grade silicon carbide for use in abrasive, ceramic, refractory, industrial and metallurgical iron and steel industries. The Hennepin plant is the only alpha silicon carbide crude manufacturing plant in North America. The company's investment in a sulfur gas removal process makes it among one of the most sophisticated and environmentally clean silicon carbide operations in the world.
Sun Prairie, Wisconsin
Washington Mills Ceramics Corporation is the largest manufacturer of ceramic media in North America offering DURAMEDIA®, our signature line of pre-formed ceramic tumbling and mass finishing media. Our ceramic, plastic, steel and specialty abrasive products are specifically designed for high performance mass finishing and abrasive tumbling. Washington Mills Ceramics is, “The Best Start to a Great Finish.”
Niagara Falls, Canada
Washington Mills’ fused minerals come to life at our Niagara Falls, Ontario location. The Niagara Falls Ontario location produces fused mineral crude ore through the furnacing process as well as grains and powders for a wide variety of customers and applications. The plant furnaces only some of the only fused products in North America today.
Manchester, United Kingdom
Washington Mills, located in Trafford Park, Manchester, has been processing and supplying a diverse range of fused minerals to a multitude of industries in the European market place for over 100 years.
Established in 1962, Washington Mills AS is a leader the manufacture of silicon carbide for the most demanding applications.
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