Introduction to Truck Brake Linings High Metallic Mixture
Truck brake linings high metallic mixtures are premium brake linings friction materials engineered for heavy-duty applications, combining robust metallic components with advanced binding agents to ensure exceptional braking performance, thermal stability, and longevity. This brake linings formula is optimized for commercial vehicles operating under extreme loads and temperatures. Below is a detailed breakdown of its composition, technical specifications, advantages, and storage guidelines.
Technical Parameters
The table below outlines key properties of a high metallic brake linings mixture:
| Parameter | Specification | Remarks |
|---|---|---|
| Metallic Content | 60-80% (Iron, Copper, Steel Fibers) | Enhances heat dissipation and durability |
| Density | 3.0-3.5 g/cm³ | Balances structural integrity and weight |
| Friction Coefficient (μ) | 0.40-0.50 (Dry) | Stable under high-speed braking |
| Operating Temperature | -40°C to 750°C | Resists thermal fade and glazing |
| Compressive Strength | ≥350 MPa | Withstands extreme hydraulic pressure |
| Wear Rate | ≤0.4 cm³/MJ | Extended service life for high-mileage use |
| Shore Hardness | 65-80 Shore D | Optimized for drum/pad compatibility |
Key Advantages
- Superior Heat Resistance
The high metallic content (e.g., iron, steel fibers) ensures rapid heat dissipation, minimizing brake fade during prolonged braking cycles . - Enhanced Durability
Reinforced with steel fibers and copper, these brake linings friction materials exhibit ultra-low wear rates, ideal for demanding environments like mining or long-haul transport . - Consistent Friction Performance
The brake linings formula maintains a stable friction coefficient across diverse conditions, including wet or icy surfaces, ensuring reliable stopping power . - Noise Reduction
Graphite and ceramic additives in the brake linings mixes dampen vibrations, reducing squeal and harsh noise . - Eco-Friendly Compliance
Free from asbestos and hazardous materials, aligning with global environmental regulations .
Storage and Packaging
- Moisture Protection: Packaged in vacuum-sealed, moisture-resistant materials to prevent oxidation of metallic components .
- Temperature Limits: Store in a dry environment between -10°C and 40°C to preserve material integrity.
- Stacking Guidelines: Limit stacking to 6 layers to avoid deformation.
- Shelf Life: 24 months in unopened, original packaging.
Application of Brake Linings Mixes
These brake linings mixes are molded under high pressure (20-35 MPa) and sintered to ensure adhesion between the friction layer and backing plate. Post-production, they undergo rigorous testing for shear strength (≥4.0 MPa) and thermal shock resistance. Customized formulations are available to meet OEM specifications for drum or disc brake systems .
By integrating high-density metallic elements and precision engineering, this brake linings mixture delivers unmatched reliability for commercial vehicles in the most challenging operational scenarios.