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PLASTICS TECHNOLOGY GROUPS
https://www.ptonline.com/articles/issues/digital/a997123c-51ef-46a5-83b7-da34ade66c2d?
EPOXIDIZED SOYBEAN OIL
ZIRFLEX ESBO / ESO
Applications;
ZIRFLEX ESBO (EPOXIDIZED SOYBEAN OIL) is a non-toxic co-stabilizer mainly used for rigid and plasticised PVC applications. As a co-stabilizer, it has a positive effect on long-term heat stability when used in conjunction with organotins or metal soap stabilizers.
ZIRFLEX ESBO significantly improves the weatherability of PVC articles. ESBO can also act as an internal lubricant and a secondary plasticiser, based on the concentration used in the formulation.
In rigid PVC processing, ZIRFLEX ESBO is used as a co-stabilizing internal lubricant. ZIRFLEX ESBO markedly improves the stability and performance of Zn-containing stabilizers such as Ca/Zn.
For plasticised applications, ZIRFLEX ESBO is used as a co-stabilizer as well as a secondary plasticiser.