Colour measurement of granules and pellets, coloured and translucent
Free-flowing pellets, granulates and irregular bulk materials are an important part of the plastics manufacturing process. Plastics processing companies rely on the uniform supply of plastic pellets for further processing in extrusion.
The raw granulate is an irregular, colourless and possibly translucent sample that is tested before mixing with colour additives. The coloured masterbatches or compounds are then also measured. HunterLab offers the perfect support in quality assurance for this application with precise measurement technology and suitable accessories for inhomogeneous samples.
Our solutions for your products:
Agera
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0°/45° geometry
This geometry according to DIN corresponds very precisely to the colour impression that the human eye has of the sample. -
Integrated camera
The integrated camera helps to place the sample precisely and to save a photo with the measurement data. -
Integrated QC software
The EasyMatch QC Essentials quality control software is integrated into the device and provides all the required colour indices and metrics.
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Full spectrum + UV
With an illumination range of 360-700 nm, the Agera is also suitable for measuring optically brightened samples. -
Smart user interface
Your measurement results can be easily transferred to existing LIMS or SPC systems.
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Easy to use and precise
Simple "one touch" measurement reduces training time, optimizes the workflow and increases your productivity.
Aeros
Laboratory device for measuring colour and degree of browning
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Non-contact measurement
The sensor detects the sample without contact, without having to measure through plastic or glass.
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Large surface area
The rotating sample plate captures over 170 cm² of the sample in 35 measurements in 7 seconds. -
Integrated QC software
The EasyMatch QC Essentials quality control software is integrated into the device and provides all the required colour indices and metrics.
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Intelligent height adjustment
The distance sensor automatically compensates for height differences in irregular samples. -
Smart user interface
Your measurement results can be easily transferred to existing LIMS or SPC systems. -
Easy to use and precise
Simple "one touch" measurement reduces training time, optimizes the workflow and increases your productivity.
Application example:
Reliable release analysis in the production of plastic granulate is important to ensure consistent colour quality of the end product. It is helpful to define the correlation between the colour of the granulate and the extruded colour sample platelets as precisely as possible so that the number of extrusions required can be reduced. A spectrophotometer that can be used to measure both pellets and platelets is therefore useful. Of course, the measuring process should be as simple as possible and not hold up the workflow. The task Since pellets have a non-uniform surface, the largest possible surface area must be examined during the colour measurement or a simple averaging of several...
Application example:
Rapid routine analysis in the production of plastic granulate is important in order to detect whether the colour of the product is correct at an early stage in the process. Particularly in the case of translucent granules, close attention is paid to the degree of yellowness (Yellowness Index YI). This allows you to intervene in the process in good time to ensure the correct colour of the end product. Due to the non-uniform surface of the pellets, it is important to measure as large a surface as possible. Of course, the measuring process should be as simple as possible and not hold up the production process. The task Since pellets have a non-uniform surface, the largest possible surface...
Further information for you on this topic:
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Aeros brochure
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Agera brochure
HunterLab worldwide:
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Headquarters, North / South America
Hunter Associates Laboratory, Inc.
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11491 Sunset Hills Road
Reston, VA 20190-5280
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+1 571 470 6028
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Asia-Pacific
HunterLab Asia Limited -
Flat E, 13F Leahander Centre,
28 Wang Wo Tsai Street,
Tsuen Wan,
New Territories,
Hong Kong -
+852 2406 1723
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Europe / Middle East / Africa
HunterLab Europe GmbH
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Dr.-August-Einsele-Ring 15
82418 Murnau
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+49 8841 9464
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All about colour measurement
The HunterLab Europe company blog keeps you up to date on applications and measurement methods, product presentations and company news. Our Spectrophotometry-Our experts regularly give you an overview of the colourful and diverse world of colour measurement.
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