Curb Curb mold mold price Baoding building materials mold factory Lunda Curb mold mainly in the production of precast concrete curbs main mold material is generally divided into plastic injection molding as well as steel sheet metal molding, production principle The concrete is poured into plastic molds or iron molds, and so cement solidification in the form removal or stripping molding, Curb plastic mold mainly engineering polypropylene PP injection molding, the material directly affect the life of the mold. Curb mold material is generally divided into plastic injection molding as well as steel sheet metal molding, production principle is the concrete is poured into the mold, and other cement solidified form removal or stripping during molding, plastic mold mainly Curb project polypropylene PP injection molding, material directly affect the life of mold.