r0-sleek: Low-Cost Recycled Mild Abrasive for Superior Friction

r0-sleek is a Recycled Mild Abrasive (RMA) from RIMSA. This low-cost additive is comprised of refined fused inorganic oxides, which are obtained as a by-product of the steel-making process. Unlike traditional steel slags, which can have variable compositions, r0-sleek B ensures a consistent chemical composition and predictable performance. Its formulation has been optimized to allow for a tailored balance, maximizing friction performance while maintaining wear within acceptable parameters. r0-sleek is a sustainable solution that effectively increases the friction coefficient, especially at high temperatures, thereby providing superior stopping power for demanding applications. It’s available in several grades.

Benefits:

Increases friction coefficient, especially at high temperatures.
Provides superior stopping power for demanding applications.
Ensures consistent chemical composition and predictable performance.
Allows for formula optimization to maximize friction performance while maintaining wear within acceptable parameters.
Sustainable and cost-effective solution.

Applications:

Enhances friction coefficient in friction material formulations, such as brake pads.
Suitable for applications demanding superior braking performance at high temperatures.
Used in formula optimization to achieve a tailored balance between friction and wear.

Frequently asked questions

What is r0-sleek and what is its main tribological function in a friction material?

r0-sleek is a low-cost mild abrasive composed of refined, fused inorganic oxides obtained as a by-product of the steel-making process. Its primary function is to increase both the dynamic and static coefficients of friction. This translates into superior stopping power, excellent high-temperature fade resistance, and improved initial brake response.

What is the fundamental difference between r0-sleek and traditional steel slags?

The key difference is chemical consistency and performance predictability. Unlike traditional steel slags, whose compositions can vary significantly, r0-sleek undergoes a refining process that ensures a stable chemical composition and a controlled particle size. This results in predictable and repeatable tribological behavior, eliminating uncertainty in production and performance.

What formulation advantages does r0-sleek offer compared to an inert filler like Barite?

While Barite acts mainly as a high-density filler, r0-sleek is a functional component that actively modifies friction. By replacing an inert filler with r0-sleek, formulators can significantly increase the friction level without relying solely on other, more expensive friction modifiers. This allows for greater flexibility in optimizing the formulation to balance performance, wear, and cost.

How does r0-sleek impact pad and rotor wear?

As a mild abrasive, r0-sleek's role is to condition the rotor surface to form and maintain a stable tribofilm, which is essential for high and consistent friction. Its introduction allows for formula optimization to maximize stopping power, and the overall formulation can be adjusted (e.g., with synergistic lubricants) to keep pad and rotor wear within OEM-specified parameters.

From a sustainability perspective, what is the added value of r0-sleek?

r0-sleek is a "second-life" product that embodies the principles of the circular economy. By upcycling an industrial by-product, it drastically reduces the need to extract and process virgin raw materials. This results in a significantly lower carbon footprint (GWP of 3.70 kg CO2e) and helps friction manufacturers meet demanding decarbonization targets.

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