Refinery Bone Black Filter Media
Granular bone black used in petroleum refineries for removing color impurities from oils and waxes through adsorption. Falls under HTS 3802.90.1000 as animal black specifically bone black for industrial filtration. Particle size 4-20 mesh optimized for fixed-bed applications.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If packaged as part of complete filter cartridge assembly
Parts of filtering equipment including media in housings classified under 8421 machinery heading.
If residual petroleum products adsorbed on the black
Petroleum coke or bituminous mixtures exceed purity for 3802 classification.
If non-bone animal black like ivory black
Heading specifies bone black separately from other animal origin blacks.
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Import Tips & Compliance
• Include filtration performance specs and regeneration history to support industrial use declaration
• Comply with OSHA combustible dust standards for handling during customs inspection
Related Products under HTS 3802.90.10.00
Bone Black Pigment Powder
Bone black is a finely ground animal black produced by calcining animal bones in closed retorts, used primarily as a dense black pigment in paints and inks. It falls under HTS 3802.90.1000 as bone black, distinct from other activated carbons or mineral products due to its animal origin and manufacturing process. This carbon-rich material provides superior tinting strength and opacity.
Spent Bone Black Decolorizing Agent
Spent bone black is used animal black recovered after decolorizing sugar syrups in refineries, retaining carbon properties for reuse in filtration. Classified under HTS 3802.90.1000 as 'spent animal black' including bone black variants. Its porous structure from bone char process makes it ideal for adsorption applications.
Bone Char Black for Artist Oils
High-grade bone black derived from cattle bones, ground to micron fineness for mixing into artist oil paints providing deep matte black tones. HTS 3802.90.1000 applies as pure bone black pigment without additives. Its low oil absorption distinguishes it from lampblack or carbon black alternatives.
Pharmaceutical Bone Black Decolorizer
Ultra-pure bone black meeting USP standards for decolorizing and purifying pharmaceutical intermediates and APIs. Classified HTS 3802.90.1000 as bone black when used as adsorbent in drug manufacturing. Low heavy metal content ensures compliance with pharmacopeia requirements.
Bone Black Ink Dispersion Base
Dry bone black powder serving as base for dispersion in printing inks, offering neutral pH and high jetness. HTS 3802.90.1000 covers this pure animal black before vehicle addition. Preferred over channel black for certain offset lithography applications.
Food Grade Bone Black Sugar Filter
Food contact approved bone black granules (4x40 mesh) for decolorizing raw sugar liquors in beet/sugar cane refining. Falls under HTS 3802.90.1000 as bone black used in food processing. Meets FDA 21 CFR 173.290 specifications for indirect food additives.