表箱箱体材料的组成
Composition of Material for Watch Box
用于制造低压电缆分支箱箱体的材料是一种树脂基复合材料。这种复合材料由两部分组成:基体—聚酯类树脂；增强材料，所以又称其为纤维增强的聚酯材料。 在欧美等发达国家，早在几十年前这种材料就被广泛的应用在电气领域中。
The material used for manufacturing low-voltage cable branching box is a resin matrix composite material. This kind of composite material consists of two parts: matrix - polyester resin; reinforcing material, so it is also called fiber reinforced polyester material. In developed countries such as Europe and the United States, this kind of material was widely used in electrical field as early as several decades ago.