Medical and consumables IVD reagent cartridge coating: polyurethane potting compound case study

Background

An equipment integrator / manufacturer in Medical and consumables needed to coating on a IVD reagent cartridge using polyurethane potting compound.

Process challenge

High fluid viscosity and resistance causing pneumatic extrusion to lose speed.

Solution

We recommended Screw Valve + Sensor, with using a high-flow pneumatic valve for staged potting together with vacuum de-airing.

Result

• Material utilisation improved by about 8% with visibly less waste.
• Shot volume 0.008 mL with deviation within ±2%.
• Cycle time 1.0 s per dot with no stringing or dripping during continuous running.

Project facts

• Industry: Medical and consumables
• Workpiece: IVD reagent cartridge
• Fluid: polyurethane potting compound
• Process: coating
• Recommended lines: Screw Valve, Sensor

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