产品名称NAME：Copper Powder（紫铜粉）
产品描述PRODUCTION DESCRIPTION：
Copper is a very common metal friction material filler, its good heat transfer coefficient contributes to transfer the heat generated from frictional touch face to in-part of the friction products, thus to control of the temperature of the brake components. The chemical composition and micro-structure of the fiber make copper an ideal material for use in friction materials of high performance and high duty levels. Copper also has a relatively low Mohs scale of hardness, which contributes to anti-friction in high temperature. In Europe, brass will be widely used in brake pads, especially in high-class brake pads friction materials, 5%-8% will be much more proper.
颗粒度GRANULARITY（筛网分析 SIEVE ANALYSIS，颗粒大小PARTICLE SIZE）
目数Mesh： 40-80#, customized
| Sieve(mm) | Specified (%) | Typical (%) |
| ＞0.880 | ＜1 | 0.85 |
| ＞0.425 | 7-20 | 18.0 |
| ＞0.250 | 30-50 | 47.0 |
| ＜0.120 | 20-40 | 33.0 |
外观 APPEARANCE
形状Shape： Powder
颜色Color： Brown, Purplish red
主要技术参数MAIN SPECIFICATION
比重 Specific gravity（g/cc, g/cm3） 8.94
熔点Melting point (℃) 1083°C
化学成分 CHEMICAL COMPOSITION
| 组成Composition | Cu | Fe | Pb | As | Sn | O | S |
| 比例Rate（%w.t.） | 99 | 0.01 | 0.04 | 0.004 | 0.005 | 0.15 | 0.004 |
包装跟存贮PACKAGE AND STORAGE
1. 25KG/bag, double sheet paper bags with plastic bag.
2. Opened bags must be carefully resealed and kept upright to prevent leakage. Stored in original packages in a dry, cool and well ventilated areas to prevent from direct sunlight.
3. Use appropriate to avoid environment contamination.