Overview
Purple copper particles are a specialized form of copper with unique coloration, produced through controlled oxidation or mechanical processing. Unlike standard copper powder, these particles exhibit a violet-purple hue due to surface oxide layers or specific light diffraction properties. Primarily used in niche applications where aesthetics combine with copper's inherent properties, these particles bridge functional and decorative uses. Their production often involves atomization or electrolytic processes, with particle sizes typically ranging from 1-100 microns.
Physical and Chemical Properties
The purple coloration arises from thin oxide layers (CuO/Cu₂O) or nanostructured surfaces that manipulate light wavelengths. Despite the visual difference, they retain copper's excellent electrical (5.96×10⁷ S/m) and thermal conductivity (401 W/m·K). Chemically, they behave like standard copper but with increased surface area. The particles oxidize further when exposed to moisture or acids, potentially altering their hue. Their density matches bulk copper, but flowability varies significantly with particle shape (flakes vs. spherical).
Main Applications
In decorative industries, purple copper particles create metallic paints and artisanal coatings for ceramics/glass, valued for their non-fading violet sheen. Conductive ink formulations utilize them for printed electronics where color differentiation aids layer identification. Pyrotechnics employ these particles for unique flame coloration effects. Emerging uses include anti-counterfeiting pigments and catalytic applications where the oxide layer enhances specific reactions. Jewelry makers incorporate them in resin artworks for metallic accents.
Safety and Storage
As fine metal particles, they pose inhalation risks (PEL 1 mg/m³ for copper dust). NFPA ratings include Health-1, Flammability-1, and Reactivity-0. Static electricity buildup requires grounding during handling. Store in airtight containers with desiccants to prevent oxidation. Incompatible with strong acids, ammonia, and acetylene. Spills should be collected using non-sparking tools. Firefighting requires Class D extinguishers for bulk quantities.
B2B Procurement Guide
Key specifications include particle size distribution (D50 value), oxide content (affects color stability), and tap density. Technical datasheets should confirm absence of lubricants from production. Bulk orders (100+ kg) often receive 10-15% discounts. Request COAs with each batch, especially for conductive applications. For international shipments, verify if classified as hazardous materials (usually not when containing <1% fines).
Related Manufacturers
- 主营：镍粉、铁粉、钴粉、铜粉、铜合金粉末、高纯硅粉、铁合金粉末、镍基合金粉、钨合金粉、氧化粉末
- 主营：氧化铝陶瓷、氧化锆陶瓷、工业陶瓷、铜背板、溅射靶材、99氧化铝陶瓷、蒸发材料、镀膜材料、耐高温陶瓷、铝塑膜、坩埚、陶瓷板、铝型材、绝缘陶瓷、包装膜、钛靶材、镍靶材、ITO靶材、防静电陶瓷、石墨坩埚、陶瓷垫圈、陶瓷零件、可加工陶瓷、微晶玻璃陶瓷
- 主营：铜缓蚀剂、植物液除味除臭剂、工业防腐防霉剂、杀菌灭藻剂
- 主营：乙酸铵、草酸铵、甲酸铵、硫酸铜、氯化钾、氯化镁、乙酸钾、乙酸钠、醋酸钾、硫酸钠、碳酸钾、磷酸三钾、柠檬酸铵、焦磷酸钠、硫酸亚铁、硫酸镁、磷酸氢二钾、磷酸氢二钠、柠檬酸钾、甲酸钾、碳酸氢钾、磷酸三钠、磷酸二氢钠、硫酸钾、尿素、双乙酸钠
- 主营：石墨粉、石油焦粉、沸石粉、增碳剂颗粒、白沸石、重钙粉、火山石、核桃壳、氧化钙、浮石、膨润土、石油焦增碳剂、莫来石、重晶石粉、煅烧石油焦、木粉、石英砂、鳞片石墨、萤石粉、膨润土球、氢氧化钙、石灰石粉、莫来砂、高岭土、滑石粉、收尘粉
- 主营：溅射靶材、合金靶材、特殊合金、颗粒、高纯材料、试样加工
- 主营：霍加拉特催化剂、臭氧分解催化剂、VOC催化剂、活性氧化铜、臭氧氧化催化剂、一氧化碳催化剂、活性二氧化锰
- 主营：羟基乙叉二膦酸、二乙烯三胺五甲叉膦酸、乙二胺四甲叉膦酸钠、苯并三氮唑、黄原胶、EDTA二钠、EDTA四钠、二乙烯三胺五乙酸、聚丙烯酸、谷氨酸二乙酸四钠、水解聚马来酸酐、2-羟基膦酰基乙酸、PBTCA、聚天冬氨酸(钠)、聚环氧琥珀酸(钠)、HEDP二钠、葡萄糖酸钠、氮川三乙酸三钠、氨基三甲叉膦酸、羟基乙酸、乙二胺四乙酸、马来酸-丙烯酸共聚物、膦酰基羧酸共聚物、乳酸、1227
- 主营：靶材、粉末、溅射镀膜材料、颗粒、光学材料
- 主营：耐磨涂层、陶瓷喷涂、喷涂碳化钨、高纯铜粉、耐磨合金刀片、防腐纳米涂层
- 主营：分析仪、金属铁、碳化钛、铜铁铝、粗铜粉、紫铜粒、金属铋、金属铌、防爆管、喷涂粉、铝铸件、脱氧铝、铋粉末、纯铋粉、疏通剂、纯银粒、细镍粉、电解镍、铁粉末、铌铁粉、氧化铁、氧化铬、金属锡、纯钨粉、钼圆柱
- 主营：二次还原铁粉、金属镍粉、金属钼粉、金属铜粉、金属铜粒、金属硼粉、金属铬粉、金属铝粒、金属钒粉、金属铁粉、金属铅粉、金属锡粉、金属铋粉、金属钇粉、金属碲粉、金属钴粉、金属铌粉、金属镍珠、金属镍花、金属铬粒、旋耕机刀片、秸秆还添加刀片、碳钢特细焊条
- 主营：纳米氧化铜、氧化铬绿
- 主营：制砂机、破碎机、雷蒙磨粉机、铜金属磨粉机、超细磨粉机、木材粉碎机、金属磨粉机
- 主营：锚固剂、硫酸铝、切削液、硫酸铜、氧化铜、溴化钠、大苏打、导热油、腐植酸、净洗剂、活性炭、水杨酸、硫酸锰、漂白粉、玻璃粉、茶皂素、丁酸钠、磷酸钙、甲酸钠、硬脂酸、消泡剂、酵母硒、磷酸铁、铵明矾、硫酸钡