Cement plastic rockery stone can simulation, the key lies in the stone surface plaster layer material, color and the level of construction technology. To simulation, we should try to use the same color, and through careful shaping and finishing stone surface cracks, elaborate edges, the stone surface has lifelike texture, can achieve the effect of real ones.
Cement mortar shall be used according to the inherent color rock imitation type, add some colored paint. For example, to copy the black rock, can be added to ordinary carbon black in gray cement mortar, with grey black cement mortar, to imitate yellow sandstone, should add lemon chrome yellow in cement mortar, to imitate to use purple sandstone, red iron oxide cement mortar is modulated into purple color, and chrome oxide green and cobalt blue you can add in the cement mortar in imitation of cordierite. In the preparation of colored cement mortar, cement mortar preparation should be slightly darker than the design of color, after the stone into the stone, its color will become slightly pale.
According to the local geographical environment of the rockery, the best choice of iron oxide pigment for modulation and color. When the stone and stone are wet and dry, the basic colors are mixed with pigment powder and cement. The color steps are as follows:
(1) spray closed base color;
(2) with one color (3 layers);
(3) two color (dark color);
(4) spray surface oil seal color.
In the crevice hole or the internal corner position slightly with a slightly darker color, the plastic stone in 90% dry, sprinkle a little green, black or white, such as the size and density of different spots, to enhance the sense of three-dimensional and natural feeling.
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