Particle Testing Authority

With more than 50 years of experience PTA has a track record of excellence and is a trusted lab service partner to customers across all powder processing industries including the pharmaceutical, chemical, coating, catalyst, mineral, and polymer sectors.

Our roots lie in Micromeritics Corporation, a leading global provider of solutions for material characterization with best-in-class instrumentation and application expertise in five core areas: density; surface area and porosity; particle size and shape; powder characterization; and catalyst characterization and process development.

Particle Testing Authority uses Micromeritics instrumentation alongside complementary technology from other world-class suppliers such as Malvern Panalytical, Surface Measurement Systems, TA Instruments, Particle Sizing Systems, Phenom World, and Zeiss to deliver cost-effective, reliable analyses for applications across all powder processing industries.

In addition to working with industry-leading instrument vendors, Particle Testing Authority provides a comprehensive service by partnering with a network of qualified laboratories to ensure the best possible solutions to our customers' analytical challenges.

Particle Testing Authority is an ISO 17025 accredited, cGMP compliant, FDA registered and inspected contract laboratory.

Our experienced and highly skilled team of scientists, engineers, and lab technicians works closely with every client to ensure rapid and optimal solutions for their analytical challenges.

Our testing services provide comprehensive particle characterization from particle size/shape, pore volume, surface area, and density to bulk powder testing with dynamic testing capabilities for quantifying powder flowability.

Projects range from single sample analysis to complex projects that include method development, method validation, new product assessment, and the analytical support required for large scale manufacturing projects.

Particle Testing Authority is based in Norcross, Georgia, USA with additional centers in place to meet the needs of multinational clients: The Shanghai, China laboratory supports a growing Chinese customer base and increasing demand across Asia, while a European laboratory in Munich-Unterschleißheim, Germany, provides particle testing services for European customers.