Brake Pads Friction Material Brass Fiber 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 Brass an ideal material for use in friction materials of high performance and high duty levels. Brass 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.
GRANULARITY（SIEVE ANALYSIS，PARTICLE SIZE）
Length of Fiber (lf)： 1.0 – 5.0mm
Diameter of Fiber (df)： 0.15 – 0.25mm
Length to Diameter Ratio (lf/df)： 6 – 20
| Sieve(mm) | Specified (%) | Typical(%) |
| ＞0.25 | 0.0-2.0 | 0.2-1.8 |
| 0.25 | 10.0-40.0 | 20.0-36.0 |
| 0.15 | 50.0-80.0 | 58.0-72.0 |
| ＜0.15 | 0-12.0 | 2.0-10.0 |
APPEARANCE
Shape：Needle like, Fiber
Color：Pale yellow
PHYSICAL PROPERTIES
Specific Gravity（g/cc）: 8.50
Apparent Density（g/cc）: 1.2-3.5
CHEMICAL COMPOSITION
| Elements | Cu | Zn | Pb | Sn | Fe | Ni | Al |
| Rate（%/w.t.） | 59 | Remain | 1.0-3.0 | 0.0-0.5 | 0.0-0.5 | 0.0-0.5 | 0.0-0.5 |
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.
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