Introduction to Truck Brake Linings Non-Asbestos Mixture
Truck brake linings non-asbestos mixtures are eco-friendly brake linings friction materials designed to replace traditional asbestos-based formulations. These brake linings mixes integrate advanced ceramic fibers, organic resins, and metallic reinforcements to achieve high friction stability, thermal resistance, and environmental compliance. Below is a detailed overview of their composition, technical specifications, advantages, and storage protocols.
Technical Parameters
The table below outlines the key properties of non-asbestos brake linings mixture:
| Parameter | Specification | Remarks |
|---|---|---|
| Friction Coefficient (μ) | 0.35–0.55 (Dry) | Adjustable for varying load conditions |
| Operating Temperature | -40°C to 600°C | Resists thermal fade and glazing |
| Compressive Strength | ≥80 MPa | Ensures structural integrity under stress |
| Shear Strength | ≥20 MPa | Prevents delamination from backing plates |
| Density | 2.2–2.8 g/cm³ | Optimized for lightweight performance |
| Wear Rate | ≤0.3 cm³/MJ | Extended service life (up to 120,000 km) |
| Primary Components | Ceramic fibers, organic resins, copper particles | Non-toxic and asbestos-free |
Key Advantages
- Environmental Safety
The brake linings formula eliminates hazardous asbestos, aligning with global environmental regulations. - Enhanced Thermal Stability
Ceramic additives maintain consistent friction performance at high temperatures, reducing brake fade during prolonged braking. - Low Noise and Vibration
Optimized material composition minimizes squeal and vibration, ensuring driver comfort. - Durability
Reinforced with copper or steel fibers, these brake linings friction materials exhibit exceptional wear resistance, even in heavy-duty applications. - Compatibility
Suitable for use with cast iron or composite brake drums without causing scoring or damage.
Storage and Packaging
- Moisture Protection: Stored in sealed, moisture-resistant packaging to prevent degradation of organic binders.
- Temperature Control: Avoid exposure to temperatures exceeding 40°C or below -10°C to maintain material integrity.
- Stacking Limits: Maximum stacking height of 8 layers to prevent deformation.
- Shelf Life: 18–24 months in original, unopened packaging.
Application of Brake Linings Mixes
The brake linings mixes are molded under high pressure (10–25 MPa) and cured at controlled temperatures to ensure adhesion to brake shoes. Post-production testing includes shear strength validation (≥20 MPa) and thermal cycling simulations. Custom formulations are available to meet specific OEM requirements, such as adjusting friction coefficients or component ratios .
By combining advanced materials with rigorous engineering, non-asbestos brake linings deliver reliable, eco-conscious braking solutions for modern commercial vehicles.