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The mould for chain slope protection is made of Engineering plastics, which has high toughness. The material of the mould belongs to environmental protection type. The finished product of the mould has high surface smoothness and beautiful appearance. The shape of the mould is more complex. In the process of development, attention should be paid to the problem of upper and lower taper, otherwise demoulding is more difficult. Mould has strong wear resistance and corrosion resistance, very suitable for use in wet places, but also has high hardness and strength. The production of chain slope protection mould is very simple. The polypropylene plastic particles are poured into the mould and then formed after cooling. The mold after forming is immediately packaged and stored according to the specifications and sizes. The wall thickness of the die must meet the needs of the use environment, so that no deformation can occur, and the heat treatment process of the die can give full play to all the value of the die. The manufacturing material of slope protection mould is recyclable, and the mould is usually white. When selecting the surface of the mould, some quality problems will be reflected, such as the wrong color, the spot on the surface and so on, which all represent the unqualified mould. Before using, the mould can be coated with a layer of demoulding agent inside the mould, and the demoulding will be smoother. After using, the mould should be cleaned in time to avoid affecting the next use. The clean mould should be stored in a dry and ventilated place, and direct sunlight is forbidden.