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Dyestuff Tannin
Manufacturing Scale: 200 tons / year
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.
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