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Instrument Database:
Foss A/S - Rapid Resin Analyzer
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| Year of introduction |
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| Status |
available |
| Company |
Foss A/S
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| Categories |
Spectrometer ( Molec. ): NIR
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The FOSS RapidResin™ Analyzer identifies look-a-like polymer resin materials and spots contaminants. The RapidResin Analyzer works with most types of thermoplastic resin pellets. A pour-in design accepts a large, representative sample of pellets and ensures easy filling and cleaning.
The RapidResin Analyzer can be used to determine blend ratios and to identify additives, measure melt index and density. The RapidResin Analyzer replaces several types of standard wet laboratory tests for the quantitative analysis of additives, moisture in polymers, determination of copolymer ratios, and residual monomer measurement and best of all... It requires no solvents or sample preparation of any kind.
The RapidResin Analyzer is the fastest method available for quality control testing of polymer resins. It is ruggedly designed for at-line operation as well as laboratory use, and can determine blend ratios, additive levels, and batch-to-batch consistency in just one minute.
Use it to identify resins before processing, to check for contaminants, and to test lot-to-lot consistency. Used routinely, the RapidResin can prevent costly reprocessing and waste.
The pour-through design gives convenient rapid analysis of any bulk resin sample (2 kg) in pellet or flake form. Bulk analysis is far more reliable than standard industry methods which rely on single-pellet films or lengthy solvent extractions.
Operation is based on near-infrared (NIR) technology, which is completely non-destructive. The RapidResin returns each bulk sample unharmed for further testing, if desired.
The user calibrates the RapidResin, and the user’s current primary methods serve as the reference method. It can be calibrated to measure virtually any polymer parameters of interest:
- Copolymer ratios for ABS, SBR, and more;
- Methyl, carboxyl, or amino end groups;
- Additive levels in master batches or shipments;
- Moisture levels in all resins;
- Plasticizers in vinyls; and
- Degree of cure in epoxies or urethanes.
After a range of calibrations have been developed on the RapidResin Analyzer, very useful Identification and Qualification functions can be implemented for streamlining inspection and QC procedures.
Benefits and Features
- One-minute analysis of bulk polymers
- Convenient pour-through design
- Measures and identifies blends, additives, and more
- Zero sample preparation: no solvents, no waste.
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| Specifications |
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Wavelength Range
Basic configuration 1100 - 2500nm.
Enhanced configuration 400 - 2500nm
Photometric Range
3.0A, 400 - 2500nm
Working Range
4.0A, 1100 - 2500nm.
6.0A, 400 - 1100nm
Typical Noise
At 0.0 absorbance RMS 700 - 2500nm less than 20mA
Data Interval
2.0nm
Scan Speed
1.8 scans/second
Detectors
Lead Sulfide, 1100 - 2500nm
Silicon, 400 - 1100nm
Wavelength Accuracy
Based on instrument-to-instrument repeatability: 0.15nm
Based on currently accepted wavelength standards: 0.30nm
Instrument Wavelength Precision
Short term 0.01nm
Long term 0.01nm
Linearity
1% of reading
Stray Light
Less than 0.1% at 2300nml
Spectral Bandwidth
10nm ± 1nm in reflectance
8.5nm ± 1nm in transmission
Operating Temperature
60-90°F (15 - 32°C) nominal.
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