Methyl hydropolysilazane (MHS) | SIOResin® SIO-9113
Unlocking the Potential of Methyl-hydrogensilazane (MHS) for Advanced Ceramics and High-Performance Materials
At SIOResin, we constantly explore ways to push material performance to the next level. One of our standout innovations is SIO-9113 Methyl-hydropolysilazane (MHS), a liquid polysilazane resin that brings remarkable thermal stability and reactivity to the table. Its unique Si–N backbone and active Si–H groups open doors to high-performance ceramics and heat-resistant composites.
Unique Chemical Structure and Reactivity
SIO-9113 has a main chain formed by Si–N bonds, providing excellent thermal stability. The reactive Si–H groups in its structure react at high temperatures to form SiCN, SiCNO, or silica ceramics. When combined with polymers containing olefin structures, it increases ceramic yield to more than 75%. This transformation makes SIO-9113 an ideal pre-ceramic polymer for Si–C–N ceramics and other high-temperature materials.
Its high molecular weight (>80,000) and active content (≥95%) ensure consistent performance. The liquid form, pale yellow to colorless, is easy to handle and measure, making it suitable for both laboratory and industrial applications.
Price: USD $120/KG Download TDS
Applications in Resin Modification and Curing
We often use SIO-9113 to enhance resin systems. Its reactive Si–H groups engage efficiently with hydroxyl-containing compounds. It works exceptionally well as an amine curing agent. Resins like phenolic, epoxy, acrylic, and alkyd benefit from its addition.
The advantages are clear:
- Improved thermal resistance for high-temperature applications
- Enhanced chemical stability in harsh environments
- Superior weathering resistance for outdoor use
By integrating SIO-9113, we have seen resins maintain structural integrity even after prolonged heat exposure. It can also modify coatings to improve adhesion and hardness without compromising flexibility.
Advancing Ceramics and Rubber Technology
Beyond resins, SIO-9113 excels in ceramic and rubber applications. As a pre-ceramic polymer, it converts into high-performance SiCN ceramics, ideal for aerospace, automotive, and electronic components. Its high ceramic yield and thermal stability make it invaluable for advanced composites.
In the rubber industry, we can use SIO-9113 as a structural modifier. It enhances silicone and synthetic rubbers, improving thermal stability and mechanical strength. The result is durable, high-performance elastomers capable of withstanding extreme conditions.
Technical Specifications and Curing Conditions
| Test Item | Performance Index |
|---|---|
| Appearance & Color | Light yellow to colorless transparent liquid |
| Viscosity (Ford-4 cup) | 45–60 seconds |
| Active Ingredient | ≥95% |
| Solid Content (120±2℃) | >98% |
| Density (g/mL) | 1.04 ± 0.01 |
| Molecular Weight | >80,000 |
| Hardness (Pencil) | ≥4H |
| Adhesion | Grade 0 (Excellent) |
| Salt Spray Resistance | >1000 hours |
For curing, We recommend:
- 165°C: surface dry in 1 h, full cure 1 h
- 180°C: surface dry 0.2 h, full cure 1 h
- 200°C: surface dry 0.1 h, full cure 0.5 h
- 250°C: surface dry 0.1 h, full cure 0.5 h
For high-temperature applications above 400°C, heat cure at 250°C for 30 minutes. Proper curing ensures the material reaches optimal thermal and mechanical performance.
Application Guidelines
Surface preparation is critical. we always:
- Sand or blast to remove rust, scale, and oils (Sa2.5 recommended)
- Clean thoroughly with degreasing agents
- Ensure surfaces are completely dry before coating
SIO-9113 is single-component and must be shaken well before use. Filtering through 120-mesh improves consistency. We prefer spray coating for uniform layers. Avoid reusing leftover or expired material, as it may affect performance.
Why SIO-9113 Stands Out
Choosing SIO-9113 for its versatility, reliability, and efficiency. Its ability to:
- Deliver high ceramic yields
- Enhance resin performance
- Improve thermal and mechanical properties of rubbers
- ...
Makes it a powerful tool in advanced material design. At SIOResin, we believe in materials that perform where it matters most. SIO-9113 offers engineers and chemists a path to high-performance ceramics and heat-resistant composites without compromise. If you want to explore SIO-9113 in your formulations or request samples for testing, contact us today. We are eager to help you unlock its full potential.
About SIOResin
SIOResin(Guangzhou SIO New Material) is a leading manufacture specializing in developping sustainable products and technologies in new material field. We provide professional solutions regarding water-based polyurethane, water-based acrylic resin, water-based UV-curing resin, silicone resin, additives and curing Agents etc., which have been widely applied in various industries, such as coatings, cosmetics, textiles, biology, automotive and other high-tech industries.
Please feel free to contact us via Email sales@sioresin.com if you would like to learn more about our products or request samples!