America’s Premiere Passivation & Mechanical Metal Finishing

RP Abrasives (RPA) is a New England company specializing in metal finishing services for various industries. We excel in preparing metal components and parts for final use, delivering finishes that simplify the plating or coating process.

We offer deburring services for both external and internal surfaces and edges, including micro and small parts. RPA is ISO 9001:2015 certified and provides mechanical surface finishes on metals like aluminum, bronze, brass, copper, stainless steel, steel, titanium, and zinc, as well as engineering plastics from acrylic to PEEK to Ultem. We also passivate stainless steel and titanium using a citric acid process that complies with ASTM A967, ASTM B600, and AMS 2700 standards and is RoHS & RoHS 2 compliant.

Reliable, High-Quality Service for Any Project

At RPA, we’re committed to serving your needs efficiently and with quality. Whether you have 5 parts or 5,000, we can handle it. You can count on us for fast, high-quality, professional service. Give us your problem, and we’ll solve it. Plus, we provide free samples with no obligation to show our expertise.

Extensive Metal Finishing Capabilities

RPA’s facility has 16,000 ft.² devoted strictly to metal finishing and in each of our departments’ multiple deburring stations, blast cabinets, vibratory bowls for tumbling, high energy tumblers, automated polishing units and ultrasonic tanks for cleaning and passivating. This gives us the ability to ramp up quickly and to handle large production jobs as well as any customization required. We can also provide samples free of charge and will quote from prints or drawings.

Eco-Friendly Facility

Environmental credentials play a large role in our processes at RP Abrasives. We proudly utilize our high-capacity source of clean well water, and our electricity is generated by hydropower on-site which means we are putting no carbon into the atmosphere. Our wastewater is pretreated before being sent to the on-site wastewater treatment facility and is considered non-hazardous. We are also in the process of converting all of our lighting to very high-efficiency LED lighting. All of this is aligned with RPA’s stewardship goals of low environmental impact and sustainability.

Qualifications and Credentials

RPA is proud to exhibit a robust set of certifications and credentials. This includes our continued commitment to retaining and maintaining our quality management system, which is consistent with and organized around the requirements of ISO 9001:2015. This covers the full scope of work, from initial customer contact through delivery of completed parts. In addition to our ISO 9001:2015 certification, we also follow RoHS-compliant processing, ITAR registration, and are DFARS-compliant.