KXT Series: High-Performance Non-Fibrous Potassium Titanate

Family: Titanates and oxides
Application: Friction materials

La serie KXT de Innovamat es la solución para formuladores que buscan un rendimiento excepcional sin la volatilidad asociada al suministro de litio. Gracias a un proceso de síntesis que no utiliza precursores de Innovamat’s KXT series is the solution for formulators seeking exceptional performance without the volatility associated with the lithium supply chain. Through a synthesis route that uses no lithium precursors and precise control over particle size and morphology, KXT grades match and even exceed the performance of benchmark titanates on the market.

The functionality of the KXT series is based on the synergy between its grades:

  • Fine Particles (KXT10, KXT30): These act at the contact interface to form a stable, low-shear tribofilm (secondary plateaus), ensuring a consistent friction coefficient and enhanced comfort (NVH).
  • Coarse Particles (KXT50): These function as primary plateaus, providing structural integrity to the friction surface and protecting the pad against high-temperature wear.

This versatility allows for the performance optimization of any copper-free NAO and Low-Met formulation.

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Frequently asked questions

What is the KXT series and what is its main function in a friction material?

The KXT series is a family of high-performance, non-fibrous Potassium Titanates (KT). Like other titanates, its primary function is to act as a friction modifier and contact plateau former in advanced formulations (NAO, "Copper-Free"). Its distinctive feature is its ability to generate a higher coefficient of friction (µ) compared to other titanate chemistries, such as potassium magnesium titanates (KMT).

What distinguishes the KXT series from a standard Potassium Titanate (KT)?

The KXT series is a "next-generation" version where RIMSA has optimized the synthesis process to achieve high-precision control over platelet morphology and particle size distribution. This translates into more consistent and predictable performance, allowing the formulator to reach higher and more stable friction levels with excellent processability.

When should a formulator choose the KXT series instead of the KMT series?

The choice depends on the primary goal of the formulation:

  • Choose KXT (Potassium Titanate): When the objective is to maximize the coefficient of friction (µ). It is ideal for high-performance applications (e.g., sports cars, premium aftermarket) where more powerful and responsive braking is desired.
  • Choose KMT (Potassium Magnesium Titanate): When the main objective is to minimize wear and maximize the durability of the pad and disc.

Both products improve stability and NVH, but KXT leans towards "stopping power" while KMT leans towards "service life."

The KXT series is offered in fine (KXT10) and coarse (KXT30) grades. What is the impact on performance?

Particle size allows for a fine-tuning of performance, following a clear tribological principle:

  • KXT10 (Fine): Fine particles are more actively integrated into the transfer layer (secondary plateaus). This mechanism promotes more direct and reactive friction, resulting in a higher and more stable coefficient of friction (µ).
  • KXT30 (Coarse): Larger particles act as "primary plateaus" that bear the load, while their fragments contribute to the secondary ones. This creates a more robust surface, which translates into superior wear resistance compared to the fine grade.

Are KXT series products safe and regulatory compliant?

Yes. Like the entire RIMSA titanate range, the KXT series has a platelet morphology and is inherently non-fibrous. This ensures compliance with the most stringent global health and safety regulations (e.g., REACH), eliminating the risks associated with older fibrous titanates ("whiskers").

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