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Universal nano color paste is a kind of color paste coating with low toxicity, no peculiar smell and high light. It has the characteristics of high color concentration, strong color rendering, good dispersion, good covering power, good compatibility, no foaming, no burning, etc. it is a green and low pollution product. It conforms to the current trend of environmental protection and safety, and has good compatibility with acrylic emulsion and polyurethane water dispersions.