产品名称NAME：Wollastonite（硅灰棉） 产品编号PRODUCT CODE：BL-WNG-60
产品描述PRODUCTION DESCRIPTION：
Wollastonite is a widely used friction material reinforced fiber, which is gradually replace asbestos as a main reinforced fiber during the friction material production, such as brake linings, brake pads, and other brake system friction material.
颗粒度GRANULARITY（筛网分析 SIEVE ANALYSIS，颗粒大小PARTICLE SIZE）
长度Average Length of Fiber (lf)： 410μm
直径Average Diameter of Fiber (df)： 21.6μm
长径比Length to Diameter Ratio (lf/df)： 19:1
外观 APPEARANCE
形状Shape： Fiber
颜色Color： White
物理性质 PHYSICAL PROPERTIES
比重 Specific Gravity(g/cm3) 2.79
松散密度Bulk Density(g/cc) 0.42
含水量Moisture Rate(%w.t.) ＜1.0%
熔点Melting point (℃) 1540
莫氏硬度Hardness(Mohs) 4.5-5.0
烧失量L.O.I.(%w.t.) 3.82
化学成分 CHEMICAL COMPOSITION
| 组成Composition | SiO2 | CaO | Al2O3 | Fe2O3 | MgO |
| 比例Rate（%w.t.） | 45-52 | 42-48 | <0.3 | <1 | <0.5 |
包装 PACKAGE
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.