Overview
High-purity micro powder is a specialized material characterized by its extremely fine particle size (typically 1-10 micrometers) and high chemical purity (often exceeding 99%). It is produced through advanced grinding or chemical synthesis techniques, ensuring uniformity and consistency. This material is critical in industries where precision and performance are paramount, such as electronics and advanced ceramics. Due to its fine particle size, high-purity micro powder offers enhanced reactivity, sintering properties, and surface area, making it ideal for applications requiring high-performance materials. Common base materials include alumina, silicon carbide, and zirconia, each selected for their specific properties and end-use requirements.
Physical and Chemical Properties
The physical properties of high-purity micro powder vary depending on the base material but generally include a fine particle size distribution, high surface area, and excellent chemical stability. For example, alumina-based micro powder has a density of approximately 3.95 g/cm³ and a melting point of around 2072°C. Chemically, these powders are inert under normal conditions but may react with strong acids or bases depending on the material. Their high purity minimizes impurities that could affect performance in sensitive applications, such as semiconductor manufacturing or pharmaceutical formulations. Particle size uniformity is another critical property, often verified through laser diffraction or electron microscopy.
Main Applications
High-purity micro powder is widely used in the electronics industry for substrates, insulators, and conductive pastes. Its fine particle size ensures smooth surfaces and precise layering in printed circuit boards (PCBs) and other components. In ceramics, it enhances sintering behavior and mechanical strength, making it ideal for advanced structural and functional ceramics. The pharmaceutical industry utilizes high-purity micro powder in drug formulation, where uniform particle size improves dissolution rates and bioavailability. Additionally, it is employed in coatings, pigments, and composite materials to improve durability, reflectivity, or thermal conductivity. Emerging applications include additive manufacturing (3D printing) and energy storage devices, where its properties enable innovative designs.
Safety and Storage
While high-purity micro powder is generally non-toxic, precautions are necessary to avoid inhalation or skin contact, which may cause irritation. Workers should use personal protective equipment (PPE) such as gloves, masks, and goggles, especially during handling and processing. Storage conditions are critical to maintaining the powder's quality. It should be kept in a dry, cool environment, sealed in moisture-proof containers to prevent clumping or contamination. Avoid exposure to extreme temperatures or humidity, which can alter particle properties. For flammable or reactive variants, follow specific safety protocols, including grounding equipment to prevent static discharge.
B2B Procurement Guide
When procuring high-purity micro powder, B2B buyers should prioritize suppliers with certifications such as ISO 9001 or RoHS compliance, ensuring quality and regulatory adherence. Key specifications to verify include purity levels (e.g., 99.5% or higher), particle size distribution (D50 values), and batch consistency. Request material test reports (MTRs) or certificates of analysis (CoA) from suppliers to validate properties. Pricing varies significantly based on material type, purity, and order volume, with bulk purchases often reducing costs. Consider logistics, such as packaging and shipping conditions, to prevent damage or contamination. For specialized applications, collaborate with suppliers to customize particle size or surface treatments.
Related Manufacturers
- 主营：阻燃剂、氧化镁、氧化锌、高纯纳米、重质高纯、高纯氧化铌、高纯度葡萄糖、碳酸镁、氢氧化铝、涂料阻燃、橡胶陶瓷、白色粉末、金属粉末、专用葡萄糖、专用硫酸镁、水硫酸亚铁、钛酸锶粉末、五氧化二铌、碳酸锶粉末、七水硫酸镁、纳米碳酸钙、催化剂载体、纳米氧化铝、纳米氧化锆、纳米二氧化硅
- 主营：海泡石、矿物纤维、绿沸石、高纯石英粉、滑石粉、蛭石、金刚砂、膨润土、硅灰、核桃壳粒、石英粉、小石子、云母粉、云母片、增碳剂、珍珠岩、玻璃纤维、木粉、漂珠、石棉绒、绿沸石粉、绿沸石颗粒、木质纤维、膨胀珍珠岩颗粒、云母矿、石英砂
- 主营：白刚玉、喷砂石、喷砂磨料、高纯氧化锆、绿碳化硅微粉、高纯氧化铝粉、耐火材料、氧化锆珠、抛光耗材、研磨液原料、碳化硅颗粒、棕刚玉粒度砂、喷砂耐磨材料
- 主营：高纯微硅粉、微硅粉、硅灰、硅粉
- 主营：润滑剂、石墨粉、超细石墨粉、高纯石墨、阻燃石墨、超细石墨、煅烧高岭土、耐火泥造纸、润滑石墨铅粉、合成氟金云母粉、高岭土、种子包衣粉、麦饭石粉、白色电气石粉、远红外粉、导电石墨粉、耐高温石墨粉、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、高纯石英粉、高岭土、滑石粉、碳酸钙、石墨粉、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、玻璃鳞片、果壳粉
- 主营：硅微粉、熔融硅微粉、活性硅微粉、结晶硅微粉、煅烧硅微粉、硅橡胶专用硅微粉、超细硅微粉、方石英粉、熔融石英粉
- 主营：拟薄水铝石、异丙醇铝、仲丁醇铝、高纯氧化铝、伽马氧化铝、铝溶胶、异丙醇铝三聚体、氧化铝球、催化剂载体小球
- 主营：轻质碳酸钙、4A沸石粉、膨润土、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、玻璃鳞片、高铝耐火粉、蓝晶石粉
- 主营：耐火材料、硅藻土粉、白云石粉、高纯负离子液、贝壳粉、高岭土、滑石粉、石英砂、金刚砂、碳酸钙、玻璃微珠、石墨粉、远红外粉、石英粉、麦饭石粉、沸石粉、重钙粉、轻钙粉、膨润土、赤石脂粉、鹅卵石雨花石、彩色石子、活性白土、膨胀石墨、硅酸锆
- 主营：膨润土、煅烧高岭土、水洗高岭土、高纯石墨粉、石英粉、贝壳彩片、天然岩片、矿物纤维、重钙、轻钙、沸石粉、绿沸石、麦饭石粉、麦饭石颗粒、麦饭石球、儿童娱乐砂、海沙、染色彩色、海泡石粉、金刚砂、合成云母粉、火山石、火山石粉、滑石粉、黑色滑石粉、夜光石
- 主营：铝型材、石墨板、铝合金、高纯石墨、结构钢、石墨粉、国标棒、刹车片、西格里、石墨棒、齿轮钢、不锈钢板、热轧钢板、导电石墨、柔性石墨、石墨坩埚、石墨定制、镁合金棒、国标铝板、石墨材料、防火涂料、膨胀石墨、石墨匣钵、铸造涂料、耐火材料、石墨电极
- 主营：石墨粉、膨胀石墨、导电石墨、微粉石墨、高纯石墨、中碳石墨、柔性石墨、黑色铅粉、胶体石墨、人造石墨、石墨铅粉、润滑石墨、天然鳞片石墨、石墨卷材、增碳剂
- 主营：高纯石墨粒、高碳微粉石墨、石墨粉、鳞片石墨、机械铸造铝合金
- 主营：灭火岩粉、石墨粉、远红外陶瓷粉、电气石粉、麦饭石、硅酸铝粉、碳酸钙、火山石、膨润土、高岭土、贝壳粉、云母片、岩片、玻璃粉、陶瓷粉、陶瓷砂、蒙脱石粉、白垩土、白云母粉、硅灰、水洗高岭土、天然云母片、导电石墨粉、沸石粉、麦饭石粉
- 主营：新材料、超细粉、蓝宝石、纯微粉、酸洗微粉、抛光微粉、碳化硅、功能填料、喷砂除锈、精密抛光、化硅磨料、精密研磨、耐磨地坪、化硅陶瓷、研磨材料、专用磨料、光学玻璃、喷砂磨料、瓷专用粉、硬质合金、半导体磨料、高温窑炉内衬、涂附砂纸纱布、环保无游离硅尘
- 主营：超细铝粉、雾化铝粉、化工铝粉、高纯度粉末、氧化铝微粉、高纯度铝颗粒、金属铝粒、氧化铝粉、铝粒铝屑粉、工业金属铝粉、高温煅烧铝颗粒、化工抛光用粉末
- 主营：石油焦、石墨粉、膨胀石墨、硅微粉、海泡石、矿物纤维、云母、蛭石、橡胶颗粒、轮胎粉、漂珠、重晶石、膨润土、碳酸钙、叶腊石、人造石墨、鳞片石墨、木质纤维、喷涂棉、钾长石、氧化铝、铝矾土、滑石粉、配重砂、硅藻土