NINGBO INNO PHARMCHEM CO.,LTD is dedicated to advancing the science of PVC stabilization through innovative chemical formulations. A particularly effective approach in modern PVC processing involves the synergistic combination of calcium-zinc stabilizers with epoxidized soybean oil (ESO). This pairing offers a powerful solution for achieving superior thermal stability, enhanced lubrication, and eco-friendly properties in a wide range of PVC applications.

Calcium-zinc stabilizers have emerged as key players in the transition away from heavy metal-based additives. They provide essential thermal protection for PVC resin during processing, preventing degradation and maintaining product integrity. However, their performance can often be further optimized through the strategic inclusion of co-stabilizers and lubricants. Epoxidized soybean oil serves as a dual-function additive in this context. Primarily acting as a secondary plasticizer, it enhances the flexibility and workability of PVC. Simultaneously, its epoxidized molecular structure allows it to scavenge hydrochloric acid (HCl), a byproduct of PVC degradation, thereby functioning as an effective heat stabilizer and complementing the action of the primary calcium-zinc stabilizer.

The synergy between our calcium-zinc stabilizers and epoxidized soybean oil is particularly beneficial in applications requiring excellent thermal stability and good plasticization. For instance, in PVC calendering applications, this combination ensures smooth processing, good initial color, and long-term stability, leading to high-quality films and sheets. In PVC extrusion for profiles and pipes, it contributes to improved melt flow and enhanced resistance to thermal degradation, resulting in durable and dimensionally stable products. The non-toxic nature of both calcium-zinc compounds and epoxidized soybean oil further enhances their appeal, making them ideal for food contact materials, medical devices, and children's toys.

Moreover, the use of epoxidized soybean oil as a co-stabilizer can reduce the overall concentration of primary stabilizers required, potentially lowering costs while maintaining or improving performance. It also contributes to better transparency and color retention in the final PVC products. For manufacturers looking to buy PVC stabilizers that offer a comprehensive package of benefits – including environmental responsibility, excellent processability, and enhanced product longevity – the combination of our calcium-zinc stabilizers with ESO is an optimal choice. NINGBO INNO PHARMCHEM CO.,LTD provides these high-quality components and expert guidance on their synergistic application.

We invite manufacturers to explore the advantages of integrating epoxidized soybean oil with our advanced calcium-zinc stabilizers to elevate the performance and safety of their PVC products. Our team is ready to assist in developing customized formulations that meet your specific processing and product requirements.