Buy Tannin Apr 2026

When purchasing tannins, you must select the type based on your intended application:

: Tannins act as a mordant , helping natural dyes bond to cellulose fibers like cotton and linen. They also produce distinct colors (like greys and blacks) when reacted with iron salts. buy tannin

Tannins are naturally occurring found in a wide variety of plants, including tree bark, leaves, fruits, and seeds. They are known for their astringent properties—that "drying" sensation you feel when drinking strong tea or red wine. In nature, tannins act as a defense mechanism for plants, protecting them from pests, bacteria, and fungi. Primary Uses & Types to Buy When purchasing tannins, you must select the type

: This is the oldest and largest industrial use for tannins. Vegetable-tanned leather uses extracts from oak, chestnut, or quebracho to turn animal hides into durable, flexible leather. Vegetable-tanned leather uses extracts from oak

: Natural materials like driftwood, catappa leaves, or alder cones are purchased to release tannins into freshwater tanks. This creates "blackwater" conditions that lower pH and provide antimicrobial benefits for certain fish species.