ecoBronze

Family: Chips and Fibers
Application: Friction materials

ecoBronze is a series of bronze (copper/tin alloy) free of heavy metals in the form of chips especially designed for the brake industry, with the best cost-to-performance ratio on the sector.

With only Copper and Tin in its formula, ecoBronze is the straight way to replace legacy Gun Metal chips (Pb-Zn-Sn bronze) traditionally used in heavy duty applications.

CoarseFine
ecoBronze 0,850 – 100
ecoBronze 0,42525 – 6510 – 25
ecoBronze 0,15040 – 8065 – 90

Frequently asked questions

What is the main function of ecoBronze in a friction material?

ecoBronze is a high-performance bronze chip designed as a premium solution for thermal management and mechanical reinforcement. Its key functions are:

  • Superior Thermal Conductivity: Engineered to dissipate heat from the interface with extreme efficiency, protecting the resin matrix, increasing fade resistance, and reducing wear at high temperatures.
  • High-Toughness Mechanical Reinforcement: It provides exceptional structural integrity and toughness to the composite, improving hot compression resistance and preventing cracking under severe loads.
  • Friction Stabilization: It contributes to the formation of stable tribofilms, ensuring a consistent coefficient of friction (µ) and excellent NVH (Noise, Vibration, and Harshness) behavior.

What is the fundamental difference between ecoBronze and traditional (recycled) bronze chips?

The difference is strategic and defines the product's superiority:

  • Synthetic vs. Recycled Origin: ecoBronze is a synthetic product, manufactured by RIMSA through a controlled dry process. This eliminates the variability inherent in recycled raw materials. The result is unmatched chemical purity and lot-to-lot consistency.
  • Lead-Free Composition: ecoBronze is guaranteed to be lead-free (Pb), complying with the strictest global environmental regulations without requiring additional controls from the formulator. Recycled bronze often contains trace amounts of lead that must be managed.

Optimized Morphology: RIMSA's production process allows for precise control over morphology and particle size distribution (PSD), ensuring homogeneous dispersion and predictable performance.

What performance benefits does the non-recycled origin of ecoBronze provide?

Total control over the manufacturing process translates directly into superior and more reliable performance:

  • Predictable Performance: Consistency in chemical composition and morphology ensures that the material will behave the same way in every pad production batch, eliminating deviations in friction and wear performance.
  • High Purity: The absence of impurities (oxides, other metals) found in recycled scraps ensures that the intrinsic properties of bronze (conductivity, toughness) are maximized.
  • Regulatory Assurance: It simplifies regulatory compliance by guaranteeing the absence of restricted elements like lead.

How does ecoBronze position itself with "Copper-Free" regulations?

ecoBronze is a solution designed for the present and future of regulations:

  • Level B Compliance: As a copper alloy, its use is intended for formulations that comply with Level B of the SAE J2975 standard (< 5% copper by weight).
  • Incompatible with Level N: It is not a solution for "Zero-Copper" formulations (Level N, < 0.5% Cu), which require the complete elimination of copper-based additives.
  • Sustainable Solution: Being lead-free, it aligns perfectly with the global trend towards eliminating heavy metals in the automotive industry.

For what types of applications is ecoBronze ideal?

ecoBronze is the preferred choice for high-performance, high-demand formulations where consistency and regulatory compliance are critical:

  • Original Equipment (OE) and OES: Where lot-to-lot performance reproducibility is an indispensable requirement.
  • Premium Aftermarket: For high-end brake pads seeking to offer performance superior to the standard.
  • "Lead-Free" Applications: In markets with very strict regulations on lead content.
  • High-Performance Formulations (Heavy-Duty, Motorsport): Where maximum thermal management and structural integrity are necessary.

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