Rheological Characterization

 

Instron Capillary Rheometer

 


  • Instron Capillary Rheometer (Floor Model #4204)
  • Moderate to high shear rates with or without entrance pressure correction asper ASTM D-3835
  • Most commercial polymer, filled and unfilled
  • MeltAdhesives
  • Rate of degradation at high temperatures
  • Melt Strength measurement
  • Melt Density

 

 Melt Strength


  • Instron Capillary Rheometer
  • 0.375" barrel diameter
  • 1 mm diameter and 30 mm length die
  • 0.75 in/min cross head speed
  • Constant 60 mm/sec2 acceleration
  • Temperature: 400°C max
  • Nitrogen purging
  • 10 min waiting time after loading the sample

 

 

Rheometric Mechanical Spectrometer RMS-800

 


  • Polymer solutions, melt polymer, thermosetting polymer, hot-melt adhesives, rubber and solid polymer
  • Dynamic properties of polymer such as linear viscoelastic region, complex viscosity(h*),elastic(G’) and viscous (G”) modulus and tandas a function of frequency, time and amplitude as per ASTMD-4440
  • Time-Temperature-Superposition (TTS)
  • Steady shear viscosity for melt polymer or hot melt adhesives from low to moderate shear rates
  • Hysteretic study for melt adhesives or silicone based material
  • Transient properties of polymer such as thixotropic or stress relaxation
  • Curing study such as the onset of curing, gel time and cross-linked viscosity of thermosetting polymer
  • Glass transition of solid polymer, polymer blend, filled polymer or rubber
  • Advanced analysis for transformation, fitting for viscosity model and Molecular Weight Analysis

 

 

 

 

Rheometric Dynamic Stress Rheometer SR-200

 


  • Polymer solutions, low to moderate viscosity polymer, biopolymer, ink, food, cosmetics and pharmaceutical drug solution
  • Dynamic properties of polymer such as linear viscoelastic region, complex viscosity (h*), elastic (G’) and viscous (G”) modulus and tandas a function of frequency, time and amplitude as per ASTM D-4440
  • Steady shear viscosity polymer solution from low to moderate shear rates
  • Stability study for ink, paint or pharmaceutical products
  • Creep and recovery study


 

 

Elongational Viscosity

 


  • Rheimetric Scientific RMS-800
  • Strain-controlled rheometer
  • 2-2000 g.cm torque limit
  • SER-HV-01 attachement
  • 0.001 to 20 1/s Hencky Strain Rate
  • Temperature: 250 °C max
  • Sample size: 20x10x0.8 mm


 

 

Melt Flow Indexer



Melt Index and Melt Flow Rate measurements (Tinius-Olsen Model UE4-78) as per ASTM D-1238

 

 

 

 

For more information, please contact
Dr. Herman Suwardie
973-642-7947
herman@polymers-ppi.org

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