Introduction of Colorants for Polyurethane Materials
polyurethane material coloring better, by adding dyes or pigment paste, can produce a variety of colors of polyurethane products, such as color polyurethane foam, elastomer, synthetic leather, etc.
ink, is a kind of viscous mixture of various functional components mixed together liquid, through printing, spraying, scraping and other ways to design good graphics, text, etc. presented on the substrate. The composition of the ink is complex, in addition to the most basic pigment, connecting material and solvent, there are a variety of functional additives, improve the performance of the ink, improve its printing on the substrate adaptability and other comprehensive performance.
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Water-based pen contamination to the clothes can be wiped with alcohol, alcohol can dissolve the ink composition in the water-based pen. You can also use gasoline to wipe, the composition of gasoline can effectively remove the residue of water-based pen on clothes. Baking soda and vinegar can also have a better cleaning effect. Sprinkle baking soda at the place where the handwriting is stained, and then pour white vinegar.