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China, Chinese Fabric Dye Color Indigo Blue 94% Granule Indigo for Denim Dyeing1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Pigment DyeSolvent DyeIndigo GranulaDyetuff
Zhengzhou Kelai Chemical Co., Ltd.
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Product Description Product Description fabric dye color indigo blue 94% granule indigo for denim dyeingIndigo Blue :Solubility: slightly soluble in water, ethanol, glycerin and propylene glycol, insoluble in oils and fats. The 0.05% aqueous solution was dark blue. 1g is soluble in about 100ml, water at 25 ° C, the solubility in water is lower than other edible synthetic pigments, and the 0.05% aqueous solution is blue. Soluble in glycerin, propylene glycol, slightly soluble in ethanol, insoluble in oil. In case of concentrated sulfuric acid, it is dark blue, and after dilution, it is blue. Its aqueous solution plus sodium hydroxide is green to yellowish green. Indigo is easy to color, has a unique color tone, and is widely used. Heat resistance, light resistance, alkali resistance, oxidation resistance, salt tolerance and bacterial resistance are both poor. Fading when reducing, such as reduction with sodium sulfoxylate or glucose, it becomes white. The maximum absorption wavelength is 610 nm ± 2 nm.Stability: light resistance, poor heat resistance, unstable to citric acid, tartaric acid and alkali.Density: 1.417g/cm3Melting point: 390-392 ° C (dec.)Boiling point: 400.4 ° C at 760 mmHgFlash point: 158.2 ° CSteam pressure: 1.27E-06mmHg at 25°CI. Technical Data sheet of Indigo blue: TypeGranularPowderAppearanceDark Blue Even GranularDark Blue Even PowderConten≥94%≥94%Moisture≤1.0%≤1.0%Fe3+≤300ppm≤300ppmII. Indigo blue Packing :(1) 25KG Plastic-Woven Bag with double polyester liner(2) 200KG Carton with double polyester liner(3) 20KG/15KG Iron Drum with double polyester linerIII. Indigo blue Usage:(1) Indigo blue can be used for dyeing cotton, cotton, wool or silk.(2) Indigo blue can be used in the viscose fiber paste coloring and printing.(3) Indigo blue can be used in biochemical agents and indicators.IV.Why us :Factory directly supplyingDistrict quality controlEnsure high qualityPromptly delivery time for your orderMore than ten years of exporting experienceFree sample
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