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The chemical properties of graphite are very stable, high temperature resistance, corrosion resistance, and good conductivity.Therefore, graphite can be used as refractory material, sealing material, conductive material, and is widely used in high temperature metallurgy, sand finding, paint lubricant, pencil lead, pigment, polishing agent, petrochemical industry, synthetic fiber, heater and other industries.

mesh: 200mesh to 32mesh
fixed carbon: 85 to 99.5%
S: 50ppm to 1500ppm
Expension rate: 150 to 400ml/g
Oversize: 70 to 80%
volitlematter: 14 to 16%
PH: 3-5

Clay-graphite crucible
Selected special materials, durability of Yihui graphite products doubles common material made, long working life and anti more than 2000â?? high temp. Main features:
1. Good thermal stability, considering sudden heat and cold working condition, we apply special raw materials
2. Good ability to anti corrosion, impact to ensure reliabiliyt of product quality.
3. Anti strong acid, anti strong alkali. Impact resistance: graphite crucible can withstand strong heat impact, therefore your can use it fore any workmanship process.
4. Good thermal conductivity: due to its high thermal conductivity, you can shorten melting time, saving energy.
5. Ash content is less than 300pp, melting metal can not be polluted during melting process.
� Product Features & Advantages
�·� High Melting Point: Silicon carbide crucibles boast an extremely high melting point, making them ideal for high-temperature applications up to 2700�°C.
�·� Thermal Stability: They exhibit exceptional thermal shock resistance, ensuring longevity even under rapid temperature changes.
�·� Corrosion Resistance: Resistant to chemical attack from most acids, alkalis, and salts, ensuring purity of processed materials.
�·� Chemical Inertness: Non-reactive with most materials, making it a safe and reliable choice for various applications.
�·� Heat Retention: Excellent heat retention properties, maintaining high temperatures efficiently and reducing energy consumption.
�·� Durability: Durable construction ensures a long service life, reducing replacement costs and downtime.
�·� Recyclable: Environmentally friendly as they can be recycled, contributing to sustainable practices.
�·� Versatile Applications: Suitable for a wide range of industries including metallurgy, glassmaking, ceramics, and research laboratories.
�·� Precision Casting: Enables precise control over temperature and material properties during casting processes.

Core Features
Superior Material Properties
Boasts natural conductivity (10-10 S/m), high temperature resistance (up to 3000 in inert atmosphere), and excellent lubricity (Mohs hardness 1-2), ensuring optimal performance in harsh industrial environments.
Flexible Purity & Particle Sizes
Available in medium-carbon (80-93% fixed carbon) and high-carbon (93-99% fixed carbon) grades, with particle sizes ranging from 50 to 325 mesh customizable to match specific application requirements.
Dual Morphology Options
Offered as flake graphite (lamellar crystal structure, ideal for refractories) and amorphous graphite (non-crystalline, suitable for lubricants and fillers).
Eco-Friendly & Sustainable
Naturally occurring mineral with minimal environmental impact; processed via physical beneficiation (no toxic chemicals), complying with global environmental standards.
Key Applications
Ideal for a wide range of industrial scenarios:
Refractory Materials: Manufactures crucibles, blast furnace linings, and continuous casting powders.
Metallurgy: Used as steelmaking mold flux, desulfurizer, and foundry mold coatings.
Mechanical Engineering: High-temperature lubricants, wear-resistant components, and friction materials (e.g., brake pads).
Electrical Industry: Electrode materials, brushes, and conductive coatings.
Light Industry: Pencil leads, rubber/plastic fillers, and sealing materials.
Other Fields: Catalyst carriers, thermal insulation materials, and corrosion-resistant coatings.
Technical Specifications
Parameter Medium-Carbon Grade High-Carbon Grade
Fixed Carbon Content 80-93% 93-99%
Moisture Content 0.5% 0.5%
Ash Content 5-10% 1-5%
Volatile Content 3-8% 2-5%
True Density 2.09-2.23 g/cm 2.15-2.23 g/cm
Particle Size 50-325 mesh 80-200 mesh
Morphology Flake/Amorphous Flake/Amorphous