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14th November 2019
Updated RheoPower 5.1 package is now available.

24th September 2018
64-bit RheoPower 5.0 analyses still more accurate thanks to developments. Easy to deploy databases. Read more >>

16th April 2017
Tommi Borg visits for your meetings at Chinaplas May 16-19, 2017 - Guangzhou, PR China.

24th November 2015
New published paper "Linear viscoelastic model for different flows based on control theory", Appl. Rheol. Read more >>

7th November 2014
RheoPower 4.3 is also available as true 64-bit for heavy computations. Read more >>

20th August 2014
Tommi Borg gives an oral presentation at The International Conference on Polyolefin Characterization (ICPC) September 21-24, 2014 - Valencia, Spain. >>


We thank you in advance for expressing interest in our software products and services.

We try to answer to your questions, discuss your project needs and make some free test analyses for demonstrating the capabilities of software and principle.

For the use in academic (non-profit) institutions only we have special lower price offers.

RheoPower Packages

  • RheoPower has three different base versions:
    • DeskTop with SQLite databases.
    • Premium tailored version for the customer needs.
    • MSSQL additional database Server for the team or corporation uses.
Components available are presented at Outputs page.

You can build your own software package starting on the RheoPower Desktop version and order additional components or Toolboxes, which you want to include. There are found much more Toolboxes ready coded and computed, but not yet finalized for commercial level, which depends on the orders, feedback and interest received. Please ask inquiry or suggest you want to include to the above available selection.

Software packages run only on 64 bit Windows 7, 8/8.1, Vista and 10 platforms. Fully working 30-days demo version is found here.

Fresh progresses in the complete system and principle in a nutshell

  • Shortly fresh developments is discussed elsewhere more on these pages:
    • New 64-bit RheoPower package computes numerically heavy to run and error sensitive model still more accurate.
    • Thanks to developments in the measuring manners and rheometers the used measured data is more error free.
    • Presented principle with tight scientific and well approved mathematical background is free of earlier models' limitations and useable even for different type flows of heterogeneous materials.
    • Safe and easy to deploy SQLite databases are installed as default. Older MSSQL is still usable if wanted.

The form of data and priori information for analyses

RheoPower needs measured or other data depending on your purposes as follows:

As normally complex or actually shear viscosity data for analysing purposes
The computed Rheologically Effective Distribution (RED) is absolute function on different shear or temperature scales. There is not needed any artifical or priori factors to get RED and further relaxation modulus and other transition functions or to simulate polymer flow by RheoAnalyzer.

To make relations to the measured Molecular Weight Distributions (MWD) by GPC/SEC is needed flow type depend priori structural factor Mf and transition factor Hf or average molecular weight Mw and polydispersity value MwR. An alternative is two combinations as Mf and MwR or Hf and Mw to simulate GPC measurements relative to RED.

Attached figure illustrates the main routines for measuring procedures for data for CFD/CAE/CAD Simulations. Same as pdf-file.
The used data
More important is the used measuring manner as used raw data form. Complex viscosity data (or G' and G'') as a function of frequency is hoped on Excel or a text file and the best form is on the IUPAC XML data file. If you want to detect LCBs or to get more accurate MWD/RED, then is needed frequencies upwards for well-relaxed sample by oscillating rheometer at small strain specially with PE polymers.

Temperature depended and other data
As more is data available as better and more accurate results and outputs you get. As summary different type data is needed for different purposes. Attached figure illustrates the main routines for measuring procedures for CFD/CAE/CAD Simulations.

Consulting Services

TomCoat has provided several and different type consulting services for plastic industry during decades and with the software package is suggested one hour theoretical presentations and few hours training with your personnel, PCs and real data after installing software.
  • Service and Support program for RheoPower:
    • Consulting Services.
    • Enterprise solutions.
    • Some free test analyzes from your data.
During consultancy works we have written many small programs or modified here shown commercial software even for non polymer uses, which are customers propriety and not possible to show or explain here due to confidential reasons.

Returns Policy

TomCoat software package may be returned for a full refund within 30 days of purchase when accompanied by a signed statement that the software has been uninstalled and all copies of the software and documentation have been destroyed.

Contact Information:

You find here our Contact Information.
Updated 2. October 2018

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