ECOTRION是韩国SK化工公司研发的PO3G（聚三亚甲基醚二醇）的品牌商标，它是SK化工公司所生产的生物基材料旗舰产品之一。ECOTRION，100%来源于可再生的自然生物资源，作为原材料被用于合成需要有柔软触感和耐弯曲的材料，如氨纶和PU（聚氨酯）等。相较于石油基的多元醇，ECOTRION所合成的产品具有弹性好，回弹性好和耐磨等特性。

ECOTRION, a 100% plant-based polyol, it's one of the flagship bio-based materials from SK chemicals. ECOTRION, made from PO3G (Polytrimethylene Ether Glycol), is derived from natural sources and is used as a raw material for applications requiring softness and flexibility, such as spandex and polyurethane. It offers superior elasticity, elastic recovery, and abrasion resistance compared to petroleum-based polyols.