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Thermoplastic Ployurethane Elastomers (TPU) BASF
The glass transition temperature (Tg) of a plastics is the point at which a reversible transition of amorphous phases from a hard brittle condition to a visco-elastic or rubber-elastic condition occurs. Glass transition takes place, depending on hardness or rather amorphous portion of a material, within a more or less wide temperature range.
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