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90% Purity Silicon Carbide Granules 0-5mm for Foundry Use as High Efficiency Deoxidizing Agent

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90% Purity Silicon Carbide Granules 0-5mm for Foundry Use as High Efficiency Deoxidizing Agent

90% Purity Silicon Carbide Granules 0-5mm for Foundry Use as High Efficiency Deoxidizing Agent
90% Purity Silicon Carbide Granules 0-5mm for Foundry Use as High Efficiency Deoxidizing Agent
90% Purity Silicon Carbide Granules 0-5mm for Foundry Use as High Efficiency Deoxidizing Agent 90% Purity Silicon Carbide Granules 0-5mm for Foundry Use as High Efficiency Deoxidizing Agent 90% Purity Silicon Carbide Granules 0-5mm for Foundry Use as High Efficiency Deoxidizing Agent 90% Purity Silicon Carbide Granules 0-5mm for Foundry Use as High Efficiency Deoxidizing Agent 90% Purity Silicon Carbide Granules 0-5mm for Foundry Use as High Efficiency Deoxidizing Agent 90% Purity Silicon Carbide Granules 0-5mm for Foundry Use as High Efficiency Deoxidizing Agent

Large Image :  90% Purity Silicon Carbide Granules 0-5mm for Foundry Use as High Efficiency Deoxidizing Agent

Product Details:
Place of Origin: China
Brand Name: ZHENAN
Certification: ISO9001:2015
Model Number: Silicon Carbide
Payment & Shipping Terms:
Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: 1MT big bag or as per customer request
Delivery Time: 7-10 work days after received the payment
Payment Terms: L/C,T/T,Western Union
Supply Ability: 2000MT/per Month
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90% Purity Silicon Carbide Granules 0-5mm for Foundry Use as High Efficiency Deoxidizing Agent

Description
Product Composition: Silicon Carbide Use: Refractory, Polishing, Lapping, Blasting
Color: Black,Green Application: Refractory, Polishing, Lapping, Blasting
Brand Name: ZHENAN Material: Sic

High-Efficiency 90% Silicon Carbide Granules (0-5mm) for Advanced Foundry Deoxidation
  • Slash Casting Rejections: Eliminate gas-related porosity and subsurface blowholes by maintaining ultra-low oxygen potential in the melt.
  • Rapid Immersion Sizing: The 0-5mm granular distribution ensures 95%+ recovery of Silicon and Carbon with zero material float-off.
  • Enhanced Graphite Nucleation: Actively prevents brittle "chill" (white iron) in thin sections, promoting a high-density eutectic cell structure.
  • Lower Energy Overhead: Utilize the exothermic nature of 90% SiC to maintain tapping temperatures and reduce furnace power time.
  • ZhenAn Tier-1 Supply: Direct procurement from our industrial plant ensures batch-to-batch chemical stability and 24/7 technical support.
The Metallurgical Superiority of 0-5mm SiC 90%
In high-precision foundries, the purity of additives dictates the final grain structure of the iron. ZhenAn's 0-5mm Metallurgical SiC 90% acts as a concentrated deoxidizing agent that simultaneously conditions the base metal. Unlike low-grade silicon sources, 90% purity ensures that the metallurgical reaction is clean, leaving behind minimal residual oxides.
The deoxidation process follows a high-velocity reaction path: SiC + 3[O] → SiO₂ + CO↑
This reaction is critical for producing high-strength ductile and gray iron, as it removes dissolved oxygen that would otherwise interfere with magnesium treatment or graphite flake formation.
Core Foundry Applications & Performance
In-Furnace Deoxidation
The 0-5mm sizing is specifically engineered for induction furnace charging. It provides enough surface area for a quick reaction while maintaining the density required to pass through the slag layer. This leads to a more "tranquil" melt with reduced turbulence.
Chill Control & Machinability
SiC 90% serves as a potent pre-inoculant. By increasing the silicon activity in the local melt zones, it promotes a high density of eutectic cells. This effectively prevents white iron formation, ensuring the final casting remains easily machinable.
Slag Viscosity Modification
By reacting with FeO and MnO, our 90% SiC "dries" the slag, making it less fluid and easier to skim. This prevents slag inclusions from entering the mold, which is a leading cause of surface defects in heavy-section castings.
Technical Data & Chemical Certification
The following table highlights the unique technical parameters of ZhenAn 0-5mm SiC 90%, tailored for high-performance foundry procurement.
Property / Component Guaranteed Value Physical Index Details
SiC Content (Min) 90.0% Particle Size 0 - 5 mm (90% min)
Free Graphite (C) ≤ 2.8% Appearance Black Crystalline Granules
Iron Oxide (Fe₂O₃) ≤ 1.2% Bulk Density 1.52 g/cm³
Aluminum (Al) ≤ 0.7% Specific Gravity 3.18 g/cm³
Nitrogen (N) ≤ 0.012% Packaging 1mt / 1.2mt Jumbo Bags
Why Foundry Engineers Trust ZhenAn SiC 90%
  • Cleanliness of Melt: Our 90% grade contains significantly lower trace elements (Al, S, P) than standard 88% grades, making it ideal for safety-critical automotive castings.
  • Superior Solubility: The 0-5mm range is carefully screened to ensure zero oversized lumps, preventing "cold spots" or undissolved material in the furnace hearth.
  • Logistical Expertise: ZhenAn provides comprehensive export documentation, including SGS inspection and COA, ensuring a seamless supply chain from China to your facility.
FAQ: Frequently Asked Questions
How does SiC 90% improve the machinability of gray iron?
By providing a massive amount of nucleation sites, SiC 90% ensures that carbon precipitates as fine graphite flakes rather than hard, brittle iron carbides. This makes the iron much softer for cutting tools.
Why is 0-5mm sizing better for induction furnaces?
The 0-5mm range provides the perfect "immersion profile." Finer powders tend to be lost to the extraction system, while larger lumps take too long to dissolve. 0-5mm provides an immediate reaction while staying within the molten bath.
Can SiC 90% replace traditional Ferrosilicon?
Yes. In most foundry applications, 1 unit of SiC 90% can replace a significant portion of FeSi 75 while also providing a "free" carbon source, simplifying the charging process and lowering the total cost per ton.
What is the shelf life of ZhenAn SiC 90% granules?
SiC is chemically inert and does not degrade over time. If kept in its original moisture-proof packaging in a dry warehouse, the material will maintain its chemical integrity and performance indefinitely.
How much SiC 90% should be added per heat?
Typical addition rates range from 0.4% to 1.0% of the total charge weight. However, the exact amount depends on your desired final Silicon and Carbon Equivalent (CE) and the quality of your scrap metal.
Does ZhenAn provide third-party testing for chemical purity?
Absolutely. While we conduct rigorous internal lab testing for every lot, we also partner with SGS, Bureau Veritas, and TUV to provide independent verification of our SiC content and size distribution upon request.

Tag:

Black Silicon Carbide SiC90,

Black Silicon Carbide ISO9001,

carborundum powder SiC90

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Contact Person: Mr. xie

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