Dyestuff Tannin,China price supplier

Dyestuff Tannin

Property: Yellowish to brownish powder with special odor and very bitter taste, soluble in 1 share of water or ethanol, and acetone, practically insoluble in chloroform or aether.

Technical Index: Loss on Drying ≤ 10% ; existing in water solution; specific absorptivity > 420; content of gallic acid < 7%; total color ≤ 2.0

Use: Used as color fixing agents, mordant agents, deodorizing agents for fibers and synthetic dyestuffs.
Storing: Stored in hermetically sealed containers.
Packing: Packed in plastic knit bags with the per-bag capacity of 25 kilograms.