Halogen-free heat shrinkable casing pipe and preparation method thereof

The invention relates to a halogen-free environment-friendly material and an application thereof, and in particular, relates to a low-cost and halogen-free environment-friendly heat shrinkable pipe and a preparation method thereof, wherein the halogen-free environment-friendly heat shrinkable pipe comprises the following components by weight: 30-50 parts of an ethylene-vinyl acetate copolymer; 5-20 parts of a polyethylene and/or ethylene-octene copolymer; 50-70 parts of an inorganic filler; 0.5-2 parts of a lubricant; 0.3-1 part of a composite antioxidant; and 0-3 parts of a masterbatch; the influence of a halogen element contained in the heat shrinkable casing pipe on environments and body health is solved, and the heat shrinkable casing pipe has the advantages of simple production, easy industrialization, low cost and the like. 本发明涉及无卤环保材料及其应用，尤其涉及种低成本无卤环保热缩管及其制备方法，其中该无卤环保热缩管按重量比含有以下组分：乙烯?醋酸乙烯共聚物30?50份；聚乙烯和/或乙烯?辛烯共聚物5?20份；无机填料50?70份；润滑剂0.5?2份；复合抗氧剂0.3?1份；色母粒0?3份，解决了热缩套管中含有卤元素给环境以及身体健康的影响，同时具备制作简单，易工业化、成本低等优