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Polymer Is a “Blind” Product

Its tolerance can vary greatly between batch to batch and supplier to supplier. Today’s customers require accurate information allowing them to validate and adjust their process ensuring products they make meet or exceed their specifications.  Ensure you are receiving what you purchased before the material enters your process with the right polymer evaluation solution for your application. 

Laboratory | Quality Control Testing

Online Rheological Testing

Polymer Evaluation Ancillary Products

Polymer Evaluation Legacy Products

Shared Knowledge

Installation of LABKARS 3.92 on windows 10

The following instructions will assist with the installation of LABKARS software (version 3.92) on Windows 10 operating systems.

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How Dynisco online rheometers can help PET recyclers?

Dynisco online rheometers can be easily installed in variety of extrusion lines and continuously measure the intrinsic viscosity parameters of the extrudates during an extrusion process.

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Key Violation in LabKars Software

The following instructions will resolve the key violation error that appears in Labkars software, which is used to control our LCR7000 series capillary rheometers

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Flow Curve Behavior of Polymer Melts

Flow curves of polymer melts (the graph of viscosity versus shear rate in the log-log scale) has two distinct behavior of Newtonian and Power law. At very low shear rates the Newtonian behavior dominates where the viscosity is independent of the shear rate and it approaches the value of η_0 which has been named as the zero-shear viscosity

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Characterizing Thermal Stability of Polymer Melts Using a Capillary Rheometer

A thermal stability test can determine the resistance of a polymer melt to a change in the molecular structure at the test temperatures. The results of this test depend on the temperature, residence time at that temperature, material formulation, presence of moisture and/or contaminates

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Understanding the Shear Thinning Behavior of Thermoplastic Materials Using an Extrusion Plastometer (Melt Indexer)

In this blog our Rheological Scientist, Azadeh Farahanchi Ph.D. discusses how to understand plastic shear thinning behavior using a melt indexer

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How to Measure Polymer`s Apparent Melt Density using a Melt Indexer

Method A/B is a test that can be performed in a melt flow rate tester in order to calculate the value of the polymer`s melt density at a specific temperature

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Different Test Methods for Measuring Melt Flow Rate of Plastic Materials Using a Melt Indexer

This blog talks about the various methods (Method A and B) and their differences in measuring the melt flow rate of plastic material

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Measuring Die Swell Using a Capillary Rheometer

Die swell has been used as a qualitative measure of polymer melt elasticity for quality control purposes in plastics industry. Die swell also can be used for analysis of extrudate smoothness in an extrusion process.

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How Rheological Data from a Capillary Rheometer Can Help to Have a Better Metal Injection Molding (MIM) Process?

One of the key factors in any MIM process is the flow behavior of the feedstock during filling of of the mold. In order to have a defect free molding process (without jetting, short shot, sink mark, crack, etc.) with desired mechanical strength (tensile, flexural, failure stress, etc.) in the final products, understanding of the rheological properties of the binder and feedstock is necessary

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Measurements from Various Sensors in a Capillary Rheometer

Capillary rheometers are one of the most common types of analytical devices, used to analyze the flow properties of viscoelastic polymer materials under processing conditions. The Dynisco LCR7001 can utilize both load cell and pressure transducer simultaneously in order to produce information on both the force applied to the polymer sample and the resulting pressure at the die entrance.

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Correlation of ViscoIndicator Online Rheometer to a Laboratory Melt Flow Rate Tester

Online rheometers have been used increasingly in plastics processing and recycling industry to provide continuous data stream of rheological properties and real-time information on an extrusion process. This can beneficial for controlling of in-process product quality, reducing of waste stream, and increasing of process efficiency

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Capillary Dies in Capillary Rheometer

Gain an understanding about the selection of capillary rheometer dies that Dynisco produces for various applications.

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Laboratory Mixing Extruder as Spinning Tool to Fibrillate Droplet Phase of Polymer Blend Systems

Nowadays, composites are ubiquitous in many parts of modern societies such as constructions, textiles, nonwovens, and automobile industry. In composites, interface plays a pivotal role in final mechanical properties.

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The Importance of Melt Flow Measurement

Creating a flowing material can be measured in grams per ten minutes (per the ASTM D1238/ISO 1133) providing vital material properties.

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Detecting Polymers in Material Products

It can be very difficult, if not impossible, to achieve complete indentification of most polymer products. However, in most cases, this is usually not needed; what is needed is the separation, or identification, of numerous molding materials whose identity has been lost, or an indication of the type of material used to create a component.

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Have A Question? Ask a Dynisco expert for more information.

  • Dynisco

    38 Forge Parkway,
    Franklin MA 02038

    +1 508 541 9400  

  • Dynisco Europe GmbH

    Pfaffenstr. 21, 74078,
    Heilbronn, Germany

    +49 7131 297 0

  • Dynisco-Viatran Instrument Sdn Bhd

    Lot 3615, Jalan SM 6/8
    32040 Seri Manjung, Perak, Malaysia

    +605 6884014

Dynisco - Polymer Evaluation
Polymer, Laboratory/Quality Control Testing, Online Rheological Testing, Polymer Evaluation Ancillary Products, right polymer evaluation solution, blind product
Polymer is a “blind” product its tolerance can vary greatly between batch to batch and supplier to supplier. Today’s customers require accurate information allowing them to validate and adjust their process ensuring products they make meet or exceed their specifications. Ensure you are receiving what you purchased before the material enters your process with the right polymer evaluation solution for your application.