3D STICK — Macro-Stickies Measurement System
3D STICK is Techpap’s innovative analyzer for automatic detection and classification of stickies and other macro-contaminants in recycled pulp.
It combines 3D laser triangulation and near-infrared (NIR) spectroscopy to deliver both morphological and chemical identification — giving a complete picture of contaminants in a single automated process.
Principle & Method
- Determines the 3D morphology of screened particles.
- Automatically classifies stickies among other contaminants.
- Combines laser triangulation and local NIR spectroscopy to identify the chemical nature of particles.
- Provides rich, reliable, and repeatable data for R&D, quality control, and process improvement.
Key Features & Highlights
- Non-contact measurement: particles are not pressed, ensuring real-size, undeformed measurement and a true exposure index.
- 3D visualization: captures height, surface, and volume of each contaminant.
- Chemical classification: identifies stickies, plastics, and other polymers using NIR spectra.
- Fast and automatic: up to 300 particles measured in 20 minutes.
- Comprehensive polymer database: 40+ registered substances with known flexibility and surface characteristics.
- Practical and repeatable: consistent performance with minimal operator intervention.
Stickies & Contaminants
- Detects and classifies macro-stickies and mini-stickies, including harmful PSA (Pressure Sensitive Adhesives).
- Identifies contaminants such as PVA, VAE, EVA hotmelts, acrylic PSAs, PE, PET, PS, and more.
- Delivers both morphological (3D form) and chemical data for each object.
Technical Specifications
- Laser beam width (Y): 26 mm
- Height range (Z): 1.6 mm
- Resolution: Z = 3 µm / X = 20 µm / Y = 20 µm
- Measuring strip: 290 × 26 mm (≈300 objects in 20 min)
- Power supply: 220V/50Hz or 110V/60Hz, 50W
- Operating system: Windows®
- Dimensions: 610 × 500 × 500 mm
In Summary
3D STICK provides a true 3D and chemical characterization of stickies and contaminants — without deformation, pressing, or manual handling.
It offers fast, repeatable, and objective stickies measurement, giving laboratories and mills the tools to better control the cleanliness and recyclability of pulp.
