Overview
Spherical flake copper powder is a finely divided form of copper with a unique combination of spherical and flake-like particle shapes. This morphology enhances its surface area and packing density, making it highly suitable for applications requiring high conductivity and uniform particle distribution. The powder is produced through advanced atomization or electrolytic processes, ensuring consistent quality and performance. Due to its excellent electrical and thermal conductivity, spherical flake copper powder is a preferred material in industries such as electronics, where it is used in conductive pastes, inks, and coatings. Its ability to form dense, uniform layers also makes it valuable in additive manufacturing and 3D printing applications.
Physical and Chemical Properties
Spherical flake copper powder exhibits a reddish-brown color and a fine, powdery texture. The particles typically range in size from a few micrometers to tens of micrometers, with a high surface area due to their flake-like structure. The powder's density is consistent with pure copper at 8.96 g/cm³, and it retains copper's excellent thermal and electrical conductivity. Chemically, the powder is stable under normal conditions but can oxidize when exposed to air over time, forming a thin layer of copper oxide. It is insoluble in water but dissolves readily in acids such as nitric acid and sulfuric acid, making it useful in chemical synthesis and metallurgical processes.
Main Applications
The primary use of spherical flake copper powder is in the electronics industry, where it serves as a key component in conductive inks and pastes for printed circuit boards (PCBs) and flexible electronics. Its high conductivity and uniform particle size ensure reliable performance in these applications. In additive manufacturing, the powder is used in selective laser sintering (SLS) and binder jetting processes to create intricate metal parts with high precision. Additionally, it is employed in thermal interface materials (TIMs) and coatings to enhance heat dissipation in electronic devices. The powder's versatility also extends to catalysis and chemical synthesis, where it acts as a catalyst or reducing agent.
Safety and Storage
Handling spherical flake copper powder requires precautions to avoid inhalation or skin contact, as fine particles can pose respiratory and irritant risks. Personal protective equipment (PPE), such as gloves and masks, should be worn during handling. The powder should be stored in a cool, dry environment, sealed in airtight containers to prevent oxidation and moisture absorption. In case of accidental exposure, rinse affected areas with water and seek medical advice if irritation persists. Fire hazards are minimal, but the powder should be kept away from strong oxidizers to prevent reactive incidents.
B2B Procurement Guide
When procuring spherical flake copper powder, B2B buyers should prioritize suppliers with certifications such as ISO 9001 to ensure quality consistency. Key specifications to verify include particle size distribution, purity (typically 99.9% or higher), and moisture content. Bulk purchases often come with price advantages, but buyers should also consider logistics and storage requirements. Sampling before large-scale orders is recommended to assess performance in specific applications. Additionally, inquire about customization options, such as surface treatments or alloying, to meet unique project needs.
Related Manufacturers
- 主营：氧化铝、镍铁粉、钨铁粉、球形磁粉、雾化铜粉、钒铁粉末、球形磁铁粉、白铅粉、氧化硼、锰铁粉、硅铁粉、二氧化锆、氧化钛粉、氧化铋粉、钛铁合金、三氧化钼、氧化镁粉、三氧化二、氧化钴粉、耐火材料、二硫化钨、氧化铬绿、纳米氧化钛、纳米氧化锌、四氧化三铁
- 主营：硼化铌、铜基粉、碳化钽、锗粉末、碳化钨、锰铁粉、催化剂、毛毡条、锂电池、锡铋粉、喷涂粉、硅铁块、解铌粉、铝青铜、合金粉、钼铁块、镍包铜、镍靶材、氧化锗、氧化锆、钴基粉、导热粉、细钒粉、纯银粉、锡半球
- 主营：高纯氧化镁粉、科研氧化镁粉、纳米氧化锌粉、生产厂家超细铜粉、超细氧化锌粉、纳米氧化镁粉、高纯氧化锌粉、纳米级氧化锌粉、微米级氧化锌粉
- 主营：解钴粉、锰铁粉、锂电池、青铜粉、白铜粉、钴粉末、荧光粉、氧化锗、高温粉、氧化粉、属锇粉、铌铁粉、钨铁粉、硅铁粉、镍铁粉、属镉粉、黑铅粉、钒铁粉、钛铁粉、铬铁粉、金属镍、金属钨、抛光粉、硅锰粉、纯锗粉
- 主营：纯镍粉、纯铬粉、碳化钨、纯铜粉、紫铜粉、黄铜粉、青铜粉、球形镍粉、铜粉需要、纳米铜粉、铜粉预定、钒铁粉、钛铁粉、金属钨、钨粉纯、石墨粉、合金粉、钼铁粉、纯铅粉、纳米铅粉、电解锡粉、导电镍粉、铬粉用户、激光熔覆、超细钴粉
- 主营：硒粉、镍粉、硅粉、铜粉、钨粉、二氧化锡、钼粉、锡粉、银粉、碳化钨
- 主营：分散液、纳米二、二钽粉、青铜粉、纳米铜粉、球形铋粉、纳米碳、超细硼、高纯硅、max陶瓷、纳米四、导电镍粉、高纯六硼、超细铁粉、超细钨粉、抗紫外线、微米铁粉、纳米钽粉、磁性纳米、微米钴粉、硬质合金、纳米铌粉、氧化铁粉、纳米铬粉、超细铅粉
- 主营：镍粉、钨粉、锡粉、电解铜粉、高纯铜粉、金属纯铜粉、球形铜粉末、电解微米铜粉、黄铜粉、铬粉、钴粉、钼粉、铁粉、钒粉、氧化铁、氧化铜、氧化铬、氧化镍、氧化铝、不锈钢焊条、不锈钢焊丝、耐磨焊条、耐磨焊丝、铸铁焊条、铌粉
- 主营：黑铬粉、tc4钛粉、粉碎机、纯铜粉、合金粉、目镍粉、纯锡粉、纯银粉、镀膜球、500目纯、高硅粉、钴基粉、铁锡粉、纯钨粉、镍粉球、目银粉、镍基粉、粉铬粒、锡焊粉、硅粉石、高铬粉、导电粉、氮化硅、纯铬粉、高纯铅粉
- 主营：高纯镍粉、导电镍基粉、钨粉、电解金属铜粉、铜粉、纯铜粉、氧化铜粉、钴粉、锡粉、铬粉、高纯铁粉、氧化铝粉、氧化铬绿、铝粒、铝颗粒、不锈钢焊条、不锈钢焊丝、耐磨焊条、耐磨焊丝、铸铁焊条、铝焊丝、钼粉、碳化钨粉、碳化硅粉、碳化铬粉
- 主营：金属铬、碳化钼、锌合金、球形粉、硅化钼、金属铌、金属铍、合焊粉、铬靶材、钛硅靶、硫化钼、合金粉、结晶硼、纯铌条、纯镧粉、海绵锆、铌铁粉、钛焊丝、白石墨、钨铁粉、稀土钕、碳化硅、金属锡、钛白粉、镍铁粉
- 主营：熔覆修补、金属颗粒、耐磨陶瓷、合金粉末、金属涂层喷涂、绝缘陶瓷喷涂、氧化铝陶瓷粉、防腐陶瓷涂层
- 主营：合金粉、结晶粉、黑碳化硅、球形镍粉、电解铜粉、粉末喷涂材料、球形氧化铝粉末、绿碳化硅、纳米氧化锆、纳米氧化铝、超细微米镍粉
- 主营：喷涂镍粉、导电镍粉、金属硅粉、球形铁粉、球形镍粉、金属铬粉、金属钨粉、金属锰粉、稀有硒粉
- 主营：金属粉末