• Apr 18, 2026 natural colorants for dyeing and lake pigments pr oduce a spectrum of hues suitable for various applications, especially in textiles. Common Plant-based Dyes Plant dyes are among the most widely used natural colorants due to their availability and range of colors. Indigo: Produces deep blue shades and is one of the By Mr. Wayne Gottlieb
• Feb 10, 2026 Copper And Bronze In Art Corrosion Colorants ersection of material science, art history, and conservation practices. These metals have been integral to human artistic expression for millennia, prized not only for their malleability and durability but also for the unique patinas and colorations that develop through corrosion processes. By Margaret Rohan
