Thermomechanische Analyse kombiniert mit exakter Ausdehnungsmessung für höchste Ansprüche

TMA 402 - Vertikaler thermomechanischer Analysator

 

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PE-LD and PE-HD
This curve comparison clearly depicts the difference in elasticity and melting temperature of PE-LD and PE-HD. This is evident by smaller amplitude of the square wave signal and the higher temperature of complete probe penetration for the PE-HD sample.

Polyamide and Polyethyleneterephtalate Fibers
Before melting, fibers no. 2 (PA 612) and no. 3 (PET) show a considerable shrinkage due to stress relaxation. This stress is included during the spinning process of the fibers. Fiber no. 1 (PA 66) is comparably free of stress.
Heating rate: 10 K/min
Load: 10 g, static

Wax
A special sample carrier is necessary for measuring the expansion during melting and the contraction during solidification of waxes. The change in volume of a wax sample of low viscosity being used for investment casting, is reversible except for an hysteresis during cooling. The relative change in length as a value for the sample volume was measured at a heating rate of 2 K/min and load of 0.3 g.

 

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Bitte besuchen Sie auch folgende Produktseiten:

DIL 402 C

DMA 242 C