一种结品的沸石。自由流动的粉末物质。对软质PVC和硬质PVC均可引以其中，作为PVC稳定剂混合物配方的一种。可以替代PVC产品含铅稳定剂明显提高PWC的热稳定性和抗变色能力，也可以部分替代硬脂酸锌类稳定剂，提高热稳定性的同时，明显降低PVC热稳定剂成本。

Atype of crystalalline substance Zeolite, free flowing powder, which can be added in the sof PVC smndhard PVC as stabilizer mixture fomulation. It can repisce PVC products lead stsbilizer, significantlyenhance the therma! stability and. anti: tamishing cepabilty of PVC product. It can also replace pert.of zinc stearste stsbilizers, improved the thermal stsbility, and reduced the cost of PVC heat stabilizerstthe same time.