Ridgehart High-Purity Flake Graphite (99.9%, 100 Mesh) – Industrial & Composite Grade

High-purity crystalline flake graphite engineered for composite materials, conductive coatings, metallurgy, and advanced industrial applications. Ridgehart 100-mesh graphite is sourced and refined to deliver exceptional consistency, electrical performance, and thermal stability. With a purity of 99.9%, uniform flake structure, and stable particle size distribution, this material is ideal for high-grade refractory systems, anti-corrosion coatings, fire-retardant formulations, and conductive composite manufacturing.

• Mesh Size: 100 Mesh
• Particle Diameter: ~150 μm
• Purity: 99.9%
• Appearance: Silver grey crystalline flakes.
• Moisture/Purity Testing Method: Muffle Furnace, High Precision balance, SEM analysis.
• Mesh Measurement Method: Standard sieve & laser particle size analyser. 

Material Characteristics:

• High Crystallinity: Consistent flake morphology provides excellent electrical and thermal conductivity, making it suitable for conductive adhesives, EMI shielding, and polymer composites. 
• Uniform Particle Size (100 Mesh): ~150 μm average flake size ensures excellent dispersion, mechanical reinforcement, and uniform surface finishing.
• Ultra-High Purity (99.9%): Low impurity levels improve oxidation resistance, chemical stability, and performance in high-temperature environments.
• Stable Layered Structure: Graphite’s natural layered carbon arrangement delivers high lubrication performance and thermal conductivity, ideal for industrial processing.
• Excellent Chemical Resistance: Highly stable in acids, alkalis, and organic systems, making it compatible with a wide range of coating and resin formulations.

Key Advantages:

• High electrical & thermal conductivity
• Excellent lubricity for manufacturing & sintering
• Stable flake structure enhances composite performance
• High purity ensures minimal contamination in formulations
• Excellent dispersion characteristics in resins, coatings, and binders
• Ideal for enhancing corrosion resistance and thermal management

Storage Conditions:

Store sealed, in a cool, dry, dark environment protected from light. Shelf life: 12 months (unopened) under proper storage conditions. Avoid exposure to moisture and direct sunlight.

Application Uses:

• Refractory Materials (Metallurgy): Used in high-temperature furnace linings, crucibles, and refractory bricks due to exceptional heat resistance and stability.
• Anti-Corrosion Coatings: Enhances chemical resistance and barrier performance in coatings for metals and harsh-environment structures.
• Fire-Retardant Coatings: Acts as a protective carbon-based layer under high heat, improving flame resistance and thermal protection.
• Conductive Coatings & Composites: Widely used in conductive adhesives, polymer composites, paste formulations, and EMI shielding materials.
• Battery & Energy Systems (Optional Use Cases): Suitable for research on conductive additives in electrodes, although specialised grades are preferred for high-performance batteries.
• Resin & Polymer Reinforcement: Provides mechanical strength, lubricity, and thermal conductivity to epoxy, polyurethane, and silicone systems.

Additional Mesh Sizes Available:

50, 80, 100, 200, 300, 500, 1000, and 3500 mesh variants are also available, with purity ranging from 99% to 99.9%, depending on the grade. 

(Customisation available upon request.)