Introduction to Truck Brake Shoes Organic Mixture
Truck brake shoes organic mixtures are eco-friendly brake shoes friction materials designed for medium-duty applications, prioritizing low noise, smooth braking, and environmental sustainability. These brake shoes mixes utilize organic fibers (e.g., aramid, glass, or cellulose), binding resins, and friction modifiers to achieve balanced performance. Below is a detailed analysis of their composition, technical specifications, advantages, and storage protocols.
Technical Parameters
The table below summarizes key properties of organic-based brake shoes mixture:
| Parameter | Specification | Remarks |
|---|---|---|
| Organic Content | 60-80% (Aramid, Cellulose, Rubber) | Ensures low abrasiveness and noise |
| Density | 2.0-2.5 g/cm³ | Lightweight design for reduced inertia |
| Friction Coefficient (μ) | 0.30-0.40 (Dry) | Smooth engagement, ideal for urban driving |
| Operating Temperature | -40°C to 350°C | Suitable for moderate-duty cycles |
| Compressive Strength | ≥150 MPa | Maintains structural integrity under load |
| Wear Rate | ≤0.8 cm³/MJ | Moderate durability for cost efficiency |
| Shore Hardness | 50-65 Shore D | Minimizes drum scoring |
Key Advantages
- Low Noise and Vibration
The brake shoes formula incorporates rubber and cellulose to dampen vibrations, reducing squeal during braking . - Eco-Friendly Composition
Free from heavy metals and asbestos, aligning with global environmental regulations . - Gentle on Brake Drums
Organic fibers minimize wear on cast iron drums, lowering maintenance costs. - Cost-Effective Production
Simplified brake shoes mixes reduce manufacturing complexity and raw material costs. - Rapid Bed-In Performance
Achieves optimal friction efficiency within shorter break-in periods compared to metallic blends.
Storage and Packaging
- Moisture Control: Packaged in vacuum-sealed bags with desiccants to prevent resin degradation .
- Temperature: Store in dry environments below 35°C to avoid premature curing.
- Stacking: Maximum 8 layers to prevent deformation of pre-molded mixtures.
- Shelf Life: 18 months in unopened, UV-protected containers .
Application of Brake Shoes Formula
Organic brake shoes friction materials are compression-molded at 120-180°C and bonded to steel shoe plates using phenolic adhesives. Post-curing, they undergo quality tests for shear strength (≥2.5 MPa) and thermal cycling resistance. Customized formulations adjust fiber-to-resin ratios to meet OEM specifications for urban delivery trucks or light commercial vehicles .
This organic-based solution balances performance, environmental compliance, and affordability, making it a preferred choice for fleets prioritizing noise reduction and regulatory adherence.