Overview
Coating-specific graphite is a specialized form of carbon material processed to meet stringent requirements for coating applications. Unlike standard graphite, it undergoes additional purification and particle size optimization to ensure uniform dispersion in coating matrices. The material's layered crystalline structure provides unique properties including self-lubrication and anisotropic conductivity, which are leveraged in functional coatings. Industrial production involves milling natural or synthetic graphite to precise micron or nano-scale dimensions, followed by surface treatments to enhance compatibility with resin systems. Leading manufacturers control parameters like flake orientation and aspect ratio to tailor performance for specific coating formulations, whether for corrosion protection, thermal management, or electrical conductivity.
Physical and Chemical Properties
This graphite variant exhibits exceptional thermal stability, maintaining structural integrity up to 3,000°C in inert atmospheres. Its thermal conductivity ranges between 25-470 W/(m·K) depending on orientation, while electrical resistivity measures approximately 10-50 μΩ·m parallel to the basal plane. The material's Mohs hardness of 1-2 facilitates smooth coating application without abrasion concerns. Chemically, coating-grade graphite demonstrates remarkable inertness to acids (except strong oxidizers) and alkalis, with oxidation resistance up to 400°C in air. Surface area typically falls between 5-20 m²/g, optimized for binder wetting without excessive viscosity increase. Particle size distributions are tightly controlled, with D50 values ranging from 1-100 microns depending on coating thickness requirements.
Main Applications
In the automotive sector, graphite coatings protect exhaust components and brake systems from high-temperature corrosion. Aerospace applications include electromagnetic shielding coatings for composite airframes and thermal barrier systems for engine components. The material's conductivity enables its use in printed electronics and battery electrode coatings. Industrial equipment benefits from graphite-enhanced coatings on chemical processing vessels, heat exchangers, and pump components exposed to corrosive media. Recent developments include graphene-enhanced versions for ultra-thin conductive coatings in flexible electronics. Approximately 60% of industrial demand comes from anti-corrosion applications, while 30% serves conductive coating markets.
Safety and Storage
While graphite itself is non-toxic, respirable dust particles (<10 μm) require control measures per OSHA standards (PEL 15 mg/m³ total dust). Facilities must implement dust collection systems and mandate NIOSH-approved N95 respirators during bulk handling. Static electricity accumulation necessitates grounding procedures during pneumatic transfer operations. Storage recommendations include sealed containers in climate-controlled areas below 40°C and 70% relative humidity. Bulk storage silos should incorporate inert gas purging for fine grades. Incompatible materials include strong oxidizers like perchlorates and peroxides, which may cause exothermic reactions at elevated temperatures.
B2B Procurement Guide
Industrial buyers should specify: 1) Carbon content (typically 99-99.9%), 2) Particle size distribution (laser diffraction reports), 3) Bulk density (0.2-0.5 g/cm³ for fluffy grades), and 4) Impurity limits (iron <500 ppm for corrosion-sensitive applications). Request certified test reports for thermal conductivity and ash content. Leading suppliers include Asbury Carbons, GrafTech International, and SEC Carbon. Container-load purchases (20+ MT) typically secure 10-15% discounts versus bagged quantities. Consider regional production in China (Shandong province) for cost-sensitive applications, while premium synthetic grades often originate from Japan and Western Europe. Minimum order quantities range from 1-5 MT for specialty grades.
Related Manufacturers
- 主营：鳞片石墨、超细石墨粉、可膨胀石墨、高纯导电石墨、耐火材料石墨、超细导电防静电石墨粉
- 主营：高岭土、造纸塑料橡胶涂、煅烧高岭土、导电石墨、鳞片石墨、超细石墨、导电涂料石墨粉、可膨胀石墨、润滑石墨粉末、水洗高岭土
- 主营：镀铜粉、录放机、包里布、宽频石墨烯吸波材料、碳化钽、导电膜、镭射浆、镀铜膜、灌封胶、泡沫铜、钨棒坯、镀铝膜、传感器、镀金片、隔磁片、金浆料、拉丝银、均热板、银溶胶、活性炭、通风板、导电胶、电镀镍、白银浆、高纯锡、高纯锌
- 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：石墨粉
- 主营：光化学反应仪、微波消解仪、蒸馏仪、石墨消解仪、萃取仪、索氏提取器
- 主营：离心管、人中性粒细胞分选试剂、NHS琼脂糖磁珠、石墨管、免疫沉淀试剂盒、NHS磁珠试剂盒、链霉亲和素磁珠、环氧磁珠、NHS磁珠、CD3磁珠
- 主营：氧化铝耐磨陶瓷、磁性耐磨陶瓷、耐磨陶瓷胶、碳化硅涂层、光固化纳米片材、纳米陶瓷防腐卷材、桐油凝胶、陶瓷橡胶板、堆焊耐磨板、龟甲网陶瓷涂料、金属修补剂、树脂陶瓷、密封胶、无机胶、螺栓厌氧胶、灌封胶、纳米陶瓷涂料、可塑料、橡胶修补剂、陶瓷橡胶板粘接剂、金属处理剂、耐磨防腐涂料
- 主营：润滑剂、脱模剂
- 主营：石墨烯、防腐涂料
- 主营：石墨粉、膨胀石墨、导电石墨、中碳石墨、柔性石墨、胶体石墨、人造石墨、石墨铅粉、润滑石墨、天然鳞片石墨、微粉石墨、石墨卷材、高纯石墨、黑色铅粉、增碳剂
- 主营：耐火材料、隔热保温材料、耐磨防腐材料、保温防腐材料、耐火保温材料、耐磨隔热材料
- 主营：特种漆、反光漆、氟碳漆、石墨烯、金箔漆、环氧防腐、陶瓷涂料、耐油涂料、专用底漆、防火涂料、防腐面漆、聚氨酯漆、聚脲涂料、水性氟碳、金属涂料、工业树脂、无机涂料、填充涂料、玻璃鳞片、无机水漆、防腐涂料、水性金属、防腐树脂、烟囱耐酸、无机油漆
- 主营：无机涂料
- 主营：染色液、新材料、水苏糖、石墨烯散热涂料、阻燃剂、氮化锶、蒽醌紫、氧氟酸、胎盘肽、喹烯酮、钒酸铵、硫酸锂、钒酸铈、硫酸锶、降钙素、紫苏烯、锂电池、布洛芬、丁酸铝、锑酸钠、烟酰胺、牛磺酸、褪黑素、鸡蛋白、磷酸铁、丙酸铵