With an array of features and benefits ranging from ground-breaking accuracy to unified software between all laboratory and online production equipment, the LMI5500 is incredibly advanced and designed just for the thermoplastics resin industry. The LMI5500 brings a new level of ease of use with its removable inspection plate, increased access for sample cutting, and improved touch screen. It is capable of delivering a wide range of data for melt flow rate, shear stress, shear rate, apparent viscosity, instinsic viscosity, melt density, and testing conditions.
Dont forget- our LMI5500 is IoT enabled. The IoT native software of the LMI5500 allows for real-time access to your testing information.With the Dynisco Cloud Connect Subscription, you get comprehensive access of rheological data, correlations, and dashboards. This interface allows for a complete “Window into the Process” providing valuable insight to your polymer process.
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From breakthrough technology in the industry’s most complete line of sensors to renowned quality and performance in indicators, controls, and analytical instruments Dynisco has demonstrated the skill, experience and know-how that not only deliver the right solution for your unique application, but also provide unparalleled customer support.
To provide explanation and education of relevant ASTM test methods for obtaining Melt Flow Rate (MFR) Melt Volume Rate (MVR) and Melt Density (MD) of polymers, which will include comprehensive training on the set up, interface, operation, and general maintenance of the equipment.
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Though often criticized, MFR is a very good gauge of the relative average molecular weight of the polymer. Since molecular weight (MW) is the driving force behind performance in polymers, it turns out to be a very useful number.
To fully appreciate the strengths and weaknesses of the melt-flow-rate (MFR) test it is important to know something about the way the test is performed.
There is a well-established relationship between something called the weight average molecular weight of a polymer and a parameter known as the zero-shear viscosity.
Few molders perform the test in-house. Of those that do, most don't understand why they are doing it or what they are measuring.
There are two points in the manufacturing supply chain where a determination of average molecular weight (MW) is important. The first is when the material is first received by the molder. The second is after molding.
Once degradation has been established, the discussion inevitably turns to how it happened. It might be expected that the answer to this question is widely known. Not so. The good news is that the influences that cause polymer degradation during processing are few.
Here is why the melt flow test is not universal. As useful as the melt flow rate (MFR) test can be, it is not universally applicable. Fundamentally, the test is intended to document differences in molecular weight.
Here are the steps to take in cases where the MFR is not provided by the polymer supplier. The number of commercial materials that employ a melt flow rate (MFR) value as part of the published property profile attests tO the usefulness of the test.
Understanding the value of melt-volume rate. If you spend a lot of time looking at data sheets you have probably noticed a trend over the last several years in how the melt flow rate (MFR) is reported. Along with, or instead of, the MFR, a new line item is appearing called the melt volume rate (MVR).
Dynisco has an extensive worldwide network of experts with thousands of years of combined pressure and application experience whose mission is to partner with you to optimize your system, solve problems and keep your operations efficient and cost-effective.
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