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Thermal Analysis > TGA Thermogravimetry Testing

Thermogravimetric Analysis

TGA Laboratory Thermal Analysis Services

Thermogravimetry thermal analysis (TGA) provides testing for a wide range of materials including polymers, plastics, composites, laminates, adhesives, food, coatings, pharmaceuticals, organic materials, rubber, petroleum, chemicals, explosives and biological samples. Intertek laboratory scientists offer TGA expertise for determination of endotherms, exotherms, weight loss on heating or cooling and more.

Intertek TGA thermogravimetric capabilities include:
  • Compositional analysis of materials
  • Decomposition temperatures
  • Rate of degradation
  • Product lifetimes
  • Oxidative stability
  • Evaluation of polymer flammabilities
  • Thermal stabilities
  • Determination of rancidity of edible oils
  • ‘Fingerprinting’ an unknown polymer
  • Moisture Content

 

Intertek thermogravimetry laboratory locations:

USA PTLI Massachusetts

 United Kingdom Laboratory Australia Laboratory

USA San Antonio Laboratory

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USA San Francisco Laboratory

Plastics and Polymers Thermal Testing

Advantages of using TGA for materials analysis:

Thermogravimetric analysis (TGA) uses heat to force reactions and physical changes in materials. TGA provides quantitative measurement of mass change in materials associated with transition and thermal degradation. TGA records change in mass from dehydration, decomposition, and oxidation of a sample with time and temperature. Characteristic thermogravimetric curves are given for specific materials and chemical compounds due to unique sequence from physicochemical reactions occuring over specific temperature ranges and heating rates. These unique characteristics are related to the molecular structure of the sample. When used in combination with FTIR, TGA/FTIR is capable of detailed FTIR analysis of evolved gases produced from the TGA.

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