Thermoplastic elastomers (TPE) are a series of rubber like materials that can be repeatedly melted and processed. They become soft under sufficient heat and harden again after cooling.
Liquid silicone rubber (LSR) is a liquid product based on silicone resin, which forms a fixed shape after heating and vulcanization.
In short, TPE is a thermoplastic polymer material, LSR is a thermosetting polymer material.
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