Axiom Analytical has announced the availability of its FDR-755 Extruder Access optical diffuse reflectance probes. Until now, the application of NIR to extrusion processes has been limited by the difficulty of gaining access to the material within an extruder. The new probe has been designed so that can be mounted in any of the ½-20 UNF pressure transducer fittings that are available on most polymer extruders. By using diffuse reflectance, the design has reduced the required penetration in the melt. It is, therefore, compatible with any size extruder and can be quickly attached without requiring modification to existing equipment. This makes it practical to use NIR spectroscopy for short-term analysis and troubleshooting as well as for continuous long-term polymer process monitoring.

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