Calcium Silicide 30% Powder
30% calcium silicide powder alloy used in welding rod coatings and cast iron inoculation. HTS 2850.00.0500 for chemically defined calcium silicides. Enhances graphite nucleation in iron castings.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If premixed into coated electrodes
Welding preparations containing silicides become Chapter 83 electrodes.
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Import Tips & Compliance
• Silicon/calcium ratio certification prevents silicon alloy misclassification
• Dust explosion prevention plans required for fine powder imports
Related Products under HTS 2850.00.05.00
Calcium Hydride Powder
Calcium hydride (CaH2) is a grayish-white powder used as a desiccant and reducing agent in chemical synthesis and hydrogen generation. It falls under HTS 2850.00.0500 as a chemically defined hydride of calcium, distinct from carbides in heading 2849. This inorganic compound reacts with water to produce hydrogen gas.
Calcium Nitride Granules
Calcium nitride (Ca3N2) in granular form serves as a nitrogen source in metallurgy and semiconductor production. Classified under HTS 2850.00.0500 as a chemically defined nitride of calcium, meeting Chapter 28 Note 1 criteria. It hydrolyzes to release ammonia.
Calcium Silicide Powder
Calcium silicide (CaSi2) powder acts as a deoxidizer in steel production and ferrosilicon manufacturing. It is classified in HTS 2850.00.0500 as a chemically defined silicide of calcium, excluding carbides. The compound improves steel fluidity and reduces oxygen content.
Calcium Boride Crystals
Calcium boride (CaB6) crystals used in refractory materials and neutron absorbers for nuclear applications. Falls under HTS 2850.00.0500 as a chemically defined boride of calcium. Known for high hardness and thermal stability.
Calcium Azide Fine Powder
Calcium azide (Ca(N3)2) fine powder employed as an initiator in airbag inflators and explosives. Classified under HTS 2850.00.0500 as a chemically defined azide of calcium. Extremely shock-sensitive requiring specialized handling.
Technical Grade Calcium Hydride
Technical grade calcium hydride (85-95% purity) for industrial drying and hydrogen generation in oil refining. HTS 2850.00.0500 covers this chemically defined calcium hydride despite impurities. Supplied in moisture-proof drums.