DSC Analysis

DSC (Differential Scanning Calorimetry) analysis.

Crucial test data for materials such as plastics, laminates and biological samples is undertaken to examine various key effects.

Differential scanning calorimetry (DSC) is provided by Intertek experts: our instruments are equipped for rapid assessment of large sample batches. DSC measures Specific Heat Capacity, Heat of Transition, and the Temperature of Phase Changes and Melting Points. 

DSC also measures the rate of heat flow, and compares differences between the heat flow rate of the test sample and known reference materials. The difference determines variations in material composition, crystallinity and oxidation.

Differential scanning calorimetry thermal analysis provides test data for a wide range of materials. Materials analyzed by DSC include polymers, plastics, composites, laminates, adhesives, food, coatings, pharmaceuticals, organic materials, rubber, petroleum, chemicals, explosives, biological samples and more.

DSC thermal analysis:

  • Thermal Phase Change
  • Thermal Glass Transition Temperature (Tg)
  • Crystalline Melt Temperature
  • Endothermic Effects
  • Exothermic Effects
  • Thermal Stability
  • Thermal Formulation Stability
  • Oxidative Stability Studies
  • Transition Phenomena
  • Solid State Structure
  • Analysis of a Diverse Range of Materials

DSC analysis determines:

  • Tg Glass Transition Temperature
    • Temperature (°C) at which amorphous polymers or an amorphous part of a crystalline polymer go from a hard brittle state to a soft rubbery state
  • Tm Melting point
    • Temperature (°C) at which a crystalline polymer melts
  • Δ Hm Energy Absorbed (joules/gram)
    • Amount of energy a sample absorbs when melting
  • Tc Crystallization Point
    • Temperature at which a polymer crystallizes upon heating or cooling
  • Δ Hc Energy Released (joules/gram)
    • Amount of energy a sample releases when crystallizing

Calorimeters operate over a temperature range of -60C to 500C. 

Intertek laboratory scientists offer substantial expertise in the field of thermal analysis. Determination of endotherms, exotherms and weight loss on heating or cooling are performed.  

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