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Interstate Specialty Products Joins VMA

The Valve Manufacturers Association welcomes Interstate Specialty Products (ISP) of Sutton, MA as their newest associate member. Started in 1963, ISP converts and distributes custom solutions for Science and Industry. The company specializes in precision die cutting and fabrication of plastics, filter media, specialty elastomers and custom gaskets from a multitude of materials. ISP also stocks a complete line of Porex Porous Plastics sheets, rods and tubes.

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