STD series liquid colorants are a new generation of colorants successfully developed by Caihua Technology. Compared with traditional dyes, this type of polymer liquid colorant provides significant performance and manufacturing advantages. Without the help of resins or other additives, the color can be prevented from penetrating into the surface, perfectly taking into account the washability of skin and fabrics. This series of products is suitable for daily chemical products, watercolor pens, markers, finger paintings, children's aesthetic education supplies, polyurethane foam materials and rubber and plastics.
STD series liquid colorants do not need to be ground, the colors are bright, full and transparent, the various colors are completely compatible, migration-resistant, solvent-resistant, and evenly and stably dispersed in the matrix, never agglomerating and settling. And it has passed the EU EN71-3. EN71-9 safety testing certification, FDA food contact material safety testing certification, does not contain heavy metals, and is more environmentally friendly.
