Environmentally expansion agent, also called closed cell agent, which can be used for micro-expansion products. It has a wide range of applications, such as PVC soles, TPR soles, etc..
ST13 is a thermoplastic expanded microsphere. When the microsphere is heated, the thermoplastic shell softens, the internal gas pressure increases and the microsphere expands. It is used for injection processes such as PVC, EVA, TPR.
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