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Hot Melt Glue Detectors

Improve quality control and reduce production waste with Protek’s hot melt glue detectors.

Protek's Hot Melt Glue Detectors

These intelligent systems verify adhesive presence, position, and pattern accuracy, ensuring each product meets your exact bonding standards.

Our glue detector has been specially designed to analyse each drop of adhesive, verifying continuity, and signalling any anomaly in real time. Protect your output and reduce costly rework with precise glue monitoring.

Detector for Hot Melt Adhesives Series CIA

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Smart Detection for Hot Melt Systems

Hot melt glue detectors are non-contact sensors that monitor adhesive application as products pass along a production line. Using infrared or ultraviolet detection technologies, these systems can identify whether glue has been applied, verify its pattern, and even detect double shots or misaligned beads.

Installed downstream of the applicator, these detectors integrate with your existing hot melt dispensing systems to trigger alarms, reject faulty products, or stop the line if adhesive is missing, keeping your operations running with confidence and consistency.

Metallic Pieces

Why Your Business Needs a Glue Detector

Glue detectors are essential for quality assurance in any process where adhesive application is mission-critical. Without detection, missed glue can lead to product failure, customer complaints, and production downtime. A glue detector eliminates guesswork by automatically checking every application.


  • Real-Time Detection: Monitor each application for presence, position, and quantity.


  • Automatic Quality Control: Instantly detect missing, misaligned, or excessive adhesive.


  • Production Line Integration: Works with most hot melt systems and control units.


  • Reduced Waste: Identify defects early and prevent costly product rework or recalls.


  • Versatile Use: Ideal for packaging, labelling, bookbinding, woodworking, and more.

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Upgrade Your Quality Control with Glue Detection

Maximise production accuracy with a hot melt glue detector from Protek.

These advanced systems integrate seamlessly into your adhesive line and deliver peace of mind with every application. Whether you're upgrading quality control or investing in a new adhesive system, glue detection helps ensure no product leaves your line unchecked.

Explore our entire equipment range, or simply elevate your adhesive system further with our micro-processors and automatic loaders.

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Frequently Asked Questions

What does a glue detector do in a hot melt system?

It monitors adhesive application in real time, verifying that glue is present, properly positioned, and within defined parameters on each product.

What types of defects can a glue detector identify?

These systems can detect missing glue, incorrect glue placement, excessive or insufficient glue, and pattern inconsistencies.

Which industries benefit from glue detectors?

Glue detectors are used in packaging, print finishing, product assembly, woodworking, automotive and any process requiring verified adhesive application.

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