Viscosity testing


The PSL viscosity testing laboratory is setup to measure a wide range of samples.

Viscosity measurements include:

  • Kinematic viscosity
  • Dynamic viscosity
  • Polymer Solution Viscosity
  • Pulp Viscosity

The PSL Laboratory has a wide range of viscometers set up for testing.


(A) Petroleum Products (ISO3104, ASTM D445, IP 71 Part 1) - typically including:

  • Aviation turbine fuel
  • Diesel fuels
  • Residual fuels
  • Biofuels
  • Lubricants

(B) Polymers (ASTM D2857, ISO 1628 Part 1) - typically including:

  • PA - ASTM D789, ISO307
  • PET - ASTM D4603, ISO 1628 Part 5
  • PVC - ASTM D1243, ISO 1628 Part 2
  • PP/PE - ASTM D1601, ISO 1628 Part 3

(C) Pulp, Cellulose, Electrical Papers

  • Limiting Viscosity Number - ISO 5351 
  • Pulp viscosity - Tappi T230
  • Electrical Papers - degree of polymerization - IEC 60450

Please contact one of our testing experts for further details.


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  • Polymer Viscosity Testing

    Polymer Viscosity Testing PSL Rheotek

    Test work on polymer samples. Our in-house polymer laboratory offers testing of polymer samples to the highest standards.

    Studies on polymer samples carried out in our specialist laboratory. 

    Having trouble with irratic quality of incoming raw polymer in the process plant? Is apparent degradation of polymer presenting itself as a mystery? Discuss a round of polymer viscosity sample testing with the applications team at Poulten Selfe & Lee Limited. 

    Learn More
    Please Call For Price

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