1) Calcium zinc composite heat stabilizer is not toxic, no harm to heavy metals, can replace the traditional lead salt heat stabilizer, safety and health, conducive to environmental protection;
2) Has excellent thermal stability and weather resistance, good initial coloring, light resistance, vulcanization pollution resistance, can significantly improve the outdoor use of PVC products;
3) Calcium zinc composite heat stabilizer has good dispersion and compatibility with PVC, good precipitation resistance and molding stability, has a wide processing characteristics, can improve the extrusion speed, extend the production cycle;
4) It has a unique coupling effect, giving the filler good dispersion, enhance the resin encapsulation, improve product performance, enhance toughness, accelerate melting, can significantly improve the mechanical properties of PVC products, enhance the compressive bursting performance of the product.






