而路沿石模具是指用花岗岩材质或水泥预制制作的用在路面边缘的界石，路沿石也被称为道牙石或路边石、路牙石。

The curbstone mold refers to the boundary stone made of granite or cement, which is used at the edge of the pavement. The curb stone is also known as the curb stone, curb stone and curb stone.

路沿石模具的材质一般分为塑料注塑成型还有钣金钢模具成型，生产原理是将混凝土倒入模具内，等水泥凝固后在进行拆模或脱模成型，路沿石模具主要采用工程聚丙PP注塑成型，材质直接影响模具的使用寿命。

The material of curbstone mold is generally divided into plastic injection molding and sheet steel mold forming. The production principle is to pour concrete into the mold, and then remove the mold or demould after the cement solidifies. The plastic curbstone mold mainly adopts engineering polypropylene PP injection molding, and the material directly affects the service life of the mold.

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