随着环境保护要求的提高，高效、无毒热稳定剂的开发和应用成为聚氯乙烯研究的重要内容。
Due to the requirement of environmental protection the study of new thermal stabilizer with high efficiency and low or no toxicity become the main subject of the PVC research filed.
本发明还提供一种无毒、抗热收缩聚氯乙烯材料的制造工艺。
The invention also provides a manufacturing technology of the nontoxic, anti-heat shrinkable polyvinyl chloride material.
主要用于硬质聚氯乙烯制品，硬脂酸钙与硬脂酸锌配合用于无毒稳定剂配方中使用。
The main application is in rigid PVC compounds, Calcium Stearate is used in combination with zinc Stearate in non-toxic stabilizers.
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