EN
High-temperature sintered colored sand is a new generation of high-performance decorative mineral aggregate made of high-purity natural quartz sand as the base material, matched with inorganic high-temperature pigments, and processed through cleaning, precision screening, high-pressure infiltration, 800℃ high-temperature integral sintering and constant-temperature curing. Different from ordinary dyed sand with surface spraying coloring, sintered colored sand realizes integrated color penetration inside and outside the particles, completely solving the industry pain points of easy fading, powder falling, water washing discoloration and short service life of traditional colored sand products. With uniform particle size, rounded grain shape, saturated color, ultra-strong weather resistance and excellent compatibility with water-based resin, acrylic emulsion and cement-based materials, high-temperature sintered colored sand has become the preferred core raw material for real stone paint, texture coating, exterior wall decorative engineering, municipal landscape paving and garden art decoration worldwide. As global urban beautification and green building standards continue to improve, high-quality sintered colored sand is rapidly replacing traditional natural colored stone sand and low-grade dyed sand, becoming a benchmark material for high-grade architectural decoration and landscape engineering.
The biggest core advantage of high-temperature sintered colored sand is its permanent color fastness and extreme outdoor weather resistance. After high-temperature sintering and color locking treatment, the inorganic pigment forms a fused and integrated structure with quartz crystal particles, without surface coating or adhesive wrapping. Professional ultraviolet aging tests and outdoor exposure verification show that sintered colored sand can maintain bright and uniform color for more than 15 years in harsh outdoor environments such as strong sunlight irradiation, heavy rain scouring, freezing-thawing cycles and high-temperature oxidation. There will be no whitening, color difference, powder loss or peeling phenomenon, which completely subverts the defect that ordinary dyed sand fades seriously within 1 to 2 years. At the same time, the high-temperature sintering process optimizes the internal structure of quartz sand, greatly improving the hardness, compression resistance and abrasion resistance of the particles. The finished sand grains are round and uniform, with no sharp edges, which can effectively improve the compactness and flatness of the coating surface, enhance the texture and three-dimensional sense of real stone paint, and make the building exterior wall present a high-grade natural stone decorative effect.
In exterior wall real stone paint and architectural texture coating projects, sintered colored sand significantly improves engineering quality and reduces later maintenance costs. Traditional real stone paint using dyed sand is prone to color fading, wall peeling and rainwater erosion damage after long-term outdoor use, requiring frequent repainting and maintenance, which increases the overall construction cost of the project. In contrast, high-temperature sintered colored sand has stable chemical properties, strong acid and alkali corrosion resistance, and excellent anti-fouling performance. The compact particle structure is not easy to accumulate dust, and it can keep the wall clean and beautiful for a long time, with self-cleaning performance under natural rain washing. In high-rise buildings, villa exterior walls, scenic spot buildings and commercial building decoration projects, sintered colored sand real stone paint can perfectly restore the texture of natural granite and marble, while having lighter weight, better safety and longer service life than natural stone, avoiding the risk of stone falling and greatly improving the safety and durability of building exterior decoration.
In municipal landscape and garden decorative engineering, sintered colored sand shows unique aesthetic and practical value. With rich and complete color systems including red, yellow, blue, green, gray, black, beige and customized gradient colors, it can freely match various landscape styles, widely used in park dry stream landscapes, flower bed laying, courtyard ground decoration, cultural wall texture painting and children’s amusement landscape decoration. The uniform and soft color tone improves the overall hierarchical sense and artistic sense of the landscape space, creating natural, fresh and high-grade urban greening scenes. In addition, high-temperature sintered colored sand is non-toxic, odorless, free of heavy metals and harmful substances, fully compliant with international RoHS and REACH environmental protection standards. The whole production process adopts physical high-temperature processing without chemical solvent pollution, belonging to green and environmentally friendly building materials, which can meet the environmental protection requirements of urban public engineering and ecological landscape construction.
With the vigorous development of global urban renewal and green building industry, the market demand for high-temperature sintered colored sand continues to increase steadily. More and more engineering companies and coating manufacturers abandon low-cost and low-quality dyed sand and choose long-life sintered colored sand to improve project quality and market competitiveness. Our company specializes in the production of high-standard sintered colored sand, with complete particle size specifications from 20 mesh to 120 mesh, customizable color matching and packaging. All products are strictly screened and high-temperature sintered, with uniform particles, high color saturation, super weather resistance and stable batch consistency. We provide complete test reports, COA and MSDS certification documents, support large-scale bulk supply and global engineering order customization, and provide professional technical guidance for coating formula debugging and construction matching, helping global customers create high-quality and durable architectural decoration projects.