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Dyes tannic acid
Dyes tannic acid
Dyes tannic acid
Testing item | Unit | Standard |
appearance | -- | light yellow powder |
content | % | ≥83% |
loss on drying | % | ≤9.0 |
light transmittance | % | ≥53.0 |
water insoluble | % | ≤0.5% |
gallic acid | % | ≤7.0 |
production scale | -- | 1000Tons/Year |
packaging | fiber drum with inner plastic bag | |
Performance: the product is light yellow to light brown
powder, with special smell; soluble in water, ethyl alcohol and
acetone; insoluble in chloroform or diethyl ehter
Quality index : GB5308-85
Uses: dye-fixing agent, mordant, fiber deodorant and synthetic dyes
Storage: avoid moistre and sunlight, in seal
Packaging: fiber drum with inner plastic bag; net weight: 25kg
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Email: irene@goldenyang.net
Phone: +86-745-2828009
Fax: +86-745-2828002
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