Overview
Lubricating flake graphite powder is a naturally occurring form of carbon characterized by its layered, plate-like structure. Mined from metamorphic rocks, it undergoes purification to remove impurities, resulting in a material with exceptional lubricity and stability under extreme conditions. Unlike synthetic graphite, flake graphite retains its crystalline structure, offering superior thermal and electrical conductivity. Its applications span industries requiring high-performance lubrication or heat dissipation, such as metallurgy, automotive, and energy storage.
Physical and Chemical Properties
The powder exhibits a lamellar structure where carbon atoms are arranged in hexagonal layers, enabling easy shear and low friction. It has a high thermal conductivity (up to 400 W/m·K) and can withstand temperatures exceeding 600°C in oxidizing environments. Chemically inert, it resists acids, alkalis, and organic solvents. The material’s lubricity stems from weak van der Waals forces between layers, allowing them to slide over one another. Particle sizes typically range from 10 to 500 microns, with finer grades offering smoother lubrication.
Main Applications
In industrial lubricants, flake graphite reduces friction in high-temperature machinery like forging dies or conveyor systems. It’s also a key additive in grease formulations for heavy equipment. The refractory industry uses it to enhance thermal shock resistance in crucibles and furnace linings. In electronics, its conductivity makes it suitable for battery anodes and EMI shielding coatings. Emerging applications include graphene production and 3D printing materials.
Safety and Storage
While non-toxic, airborne graphite dust can pose inhalation risks. Use NIOSH-approved respirators and ensure proper ventilation in workplaces. Static electricity buildup during handling requires grounding equipment. Store in sealed containers away from oxidizers. Moisture absorption may reduce performance, so desiccants are recommended for long-term storage. Spills should be cleaned with dry methods to prevent dust dispersion.
B2B Procurement Guide
Key specifications to evaluate include carbon content (≥95% for high-end applications), ash content (≤1% for purity), and particle size distribution (D50 value). Sulfur levels should be below 0.5% to avoid corrosion in metal systems. Suppliers may offer micronized or expanded variants for specialized uses. Bulk purchases (20+ tons) often qualify for tiered pricing. Verify certifications like ISO 9001 and request material safety data sheets (MSDS) for compliance.
Related Manufacturers
- 主营：无烟煤、除渣剂、增碳剂、石墨粉、赤铁粉
- 主营：防静电墨粉、云母、云母片、石墨、膨胀石墨、导电石墨粉、阻燃石墨粉、鳞片石墨粉、超细石墨粉、导热石墨、茶色云母片、云母粉、电气石、电气石粉、电气石颗粒、天然云母片、透明云母片、绝缘云母片、耐高温云母、云母板、岩片、贝壳片、膨润土、钙基膨润土、纳基膨润土
- 主营：煅烧高岭土、耐火泥造纸、合成氟金云母粉、润滑剂、石墨粉、超细石墨粉、阻燃石墨、超细石墨、高纯石墨、润滑石墨铅粉、导电石墨粉、耐高温石墨粉、高岭土、种子包衣粉、麦饭石粉、白色电气石粉、远红外粉、云母片、天然云母片、耐高温云母片、透明云母片、云母板、沸石、沸石粉、麦饭石颗粒
- 主营：氟金云母、云母片、云母粉、石墨粉、玻璃鳞片、高岭土、滑石粉、碳酸钙、电气石、岩片、膨润土、陶土、海泡石、白炭黑、重晶石粉、沸石、石英砂、透明粉、粘土、蛭石、硅藻土、果壳粉
- 主营：轻钙、碳酸钙、贝壳粉、润滑石墨、重钙粉、膨润土、高岭土、微硅粉、硅藻土、玻璃粉、火山岩、火山石、硅灰、石英粉、重钙、珍珠岩粉、滑石粉、煤矸石粉、白云石粉、铝矾土、硅酸铝纤维、蛭石粉、白色鹅卵石、麦饭石粉、陶瓷纤维、长石粉
- 主营：滑石粉、电气石、石英砂、石墨粉、金刚砂、氧化铁、陶瓷球、膨润土、矿化球、高岭土、硅藻土、云母、氧化铁颜料、托玛琳球、防火涂料、岩片、仿瓷沙、纤维、火山石、铁粉、钙粉、远红外粉、玻璃微珠、夜光石、雨花石
- 主营：固态电池设备、扣式电池设备、圆柱电池设备、石墨粉、锂电设备、电池材料
- 主营：全氟聚醚二醇、全氟三丁胺、聚硅氮烷、特种硅油、特种硅树脂
- 主营：超细硅酸铝粉、硅藻土、膨润土、石墨、玻璃鳞片、高岭土、滑石粉、彩砂、透明粉、白炭黑、金刚砂、海泡石、木粉、轻钙、重钙、玻璃粉、贝壳粉、凹凸棒土、陶土、铝矾土、火山岩、电气石粉、合成云母、赤铁粉
- 主营：轻质碳酸钙、4A沸石粉、膨润土、玻璃鳞片、重晶石粉、配重铁粉 铁砂、氢氧化钙、红陶土 黄陶土、木粉、麦饭石粉、沸石粉、煅烧高岭土、水洗高岭土、滑石粉、负离子粉、硅藻土、白云石粉、高铝耐火粉、蓝晶石粉
- 主营：高岭土、铝矾土、高铝粉、石墨粉、炉衬料、石英砂、石英粉、长石粉、高铝砂、玻璃粉、电熔镁砂、锆英砂、金刚砂、矿渣粉、重晶石粉、彩砂、重金石、钙粉
- 主营：铁粉、钢砂、硅藻土、石墨粉、鳞片石墨、可膨胀石墨、土状石墨、膨润土、铁砂、玻璃微珠、莫来砂、蒙脱石粉
- 主营：麦饭石粉、滑石粉、沸石粉、石墨、氧化钙、膨润土、白云石粉、橡胶粉、石英粉、硅微粉、碳酸钙、硅藻土、抗菌粉、氢氧化钙、消石灰、陶土、活性白土、金刚砂、木粉、磁粉、海泡石粉、二氧化硅、高岭土、负离子粉
- 主营：蛭石、硅藻土、椰糠、鳞片石墨、稻壳碳、金刚砂、玻璃粉、麦饭石、火山石、重晶石、高岭土、白炭黑、玻璃砂、贝壳粉、氧化铁、重钙、沸石
- 主营：中华麦饭石、石英砂、石英粉、石墨、水洗无烟煤、煤粉、营养土园艺绿化土、高岭土、膨润土、硅藻土、活性白土、远红外粉、电气石、火山石、沸石、粉煤灰、矿粉、炭黑、彩砂、活性炭、水处理磁粉、重晶石粉、碳酸钙、重钙轻钙、鹅卵石
- 主营：石英砂、金刚砂、白沙子、石墨粉、滑石粉、白云石、金刚砂地坪材料、膨润土、碳酸钙