Satellites and subsystems > Orbit determination and control > Satellite and CubeSat thrusters > MS-405 (Iridium On Stabilized Alumina Catalyst)
Key highlights
The Manastu Space MS-405 catalyst is a SPACE QUALIFIED Iridium on Lanthanum-stabilized Alumina solution, engineered for - HIGH THERMAL ENDURANCE, MECHANICALLY ROBUST performance, and TAILORED & SELECTIVE SIZES.
It delivers efficient and reliable propellant decomposition for next-generation space propulsion systems.
Key Features:
1. Broad Propellant Compatibility:
Compatible with Hydrazine, HTP (Hydrogen Peroxide), and advanced green propellants such as ADN (Ammonium Dinitramide) & HAN (Hydroxylammonium Nitrate)
Ensures versatility across diverse propulsion system designs.
2. Superior Catalytic Performance (MS-405):
High Active Metal Loading: Contains > 30 wt% Iridium, maximizing catalytic activity for efficient propellant decomposition.
High Surface Area: > 60 m²/g provides abundant reaction sites, enhancing thrust efficiency.
Optimized Pore Volume: Approximately 0.12 ml/g, balanced for effective reactant flow and reaction.
3. Exceptional Mechanical Robustness:
Demonstrates a single crushing strength of > 10 N, indicating high resistance to attrition and degradation during operation.
Ensures long-term catalyst bed integrity and consistent performance.
4. High Thermal Endurance:
Built on a Lanthanum-stabilized Al₂O₃ carrier material, providing robust thermal stability.
Designed to withstand high operating temperatures, crucial for sustained thruster firing.
5. Tailored & Selective Sizing:
Available in sizes tailored to specific requirements (ASTM 14 to 30).
Ensures optimal packing density, uniform flow, and predictable performance within catalytic thrusters.
6. Advanced Carrier Material (Lanthanum stabilized Al₂O₃):
High surface area (> 150 m²/g) and optimized pore volume (~0.35 ml/g) on the carrier further enhance catalyst effectiveness and durability.
7. Space Qualified:
Validated for performance and reliability in the space environment, de-risking integration and mission success.
Key features
Manastu Space's MS-405 is a revolutionary Iridium on Stabilized Alumina Catalyst engineered for high-performance green space propulsion. It offers an unparalleled combination of flight heritage, mechanical durability, and catalytic activity, making it an ideal choice for reliable and efficient thruster systems.
1. Proven Space Qualification & Flight Heritage
In-Space Validation: The MS-405 catalyst has been rigorously tested and proven in space.
Flight-Tested with H₂O₂ Propellant: Successfully demonstrated onboard PSLV C-60 with H₂O₂-based green propellant thrusters.
Mission-Ready Confidence: Provides engineers with verified flight heritage, significantly de-risking integration and deployment for critical missions.
2. Mechanically Robust for Extended Lifetimes
Enhanced Durability: Features a stronger base material compared to conventional catalysts.
Reduced Attrition: Designed with smooth edges, which effectively minimizes catalyst attrition and dusting during thruster operation.
Sustained Performance: This robust construction ensures long-term catalyst bed integrity and consistent performance throughout extended mission durations.
3. Superior Catalytic Activity & Efficiency
High Active Metal Loading: Optimized with a high concentration of active metal (Iridium), leading to superior catalytic efficiency.
Increased Surface Area: Possesses a high surface area, maximizing the reaction sites for propellant decomposition.
Efficient Propellant Decomposition: Delivers rapid and complete propellant decomposition, crucial for optimal thruster thrust and specific impulse.
4. Tailored Sizing for Optimized Performance
Highly Selective Granules: The catalyst granules are precisely tailor-made to specific size requirements.
Controlled Particle Distribution: Highly selective in size (ASTM 14 to 30), ensuring optimal packing density and consistent flow characteristics within the catalyst bed.
Predictable Performance: This tailored sizing contributes to predictable thruster performance and efficient operation.
5. Exceptional High Thermal Endurance
Stabilized Base Material: The alumina base material is specially stabilized with Lanthanum.
Extreme Temperature Resistance: Designed to withstand continuous operating temperatures up to 1200 °C without degradation.
Reliability in Hot Environments: Guarantees stable and active performance even under the high thermal loads experienced during sustained thruster firing.
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Last updated: 2025-11-14
MS-405 (Iridium On Stabilized Alumina Catalyst)
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