TONSAN MS1938H is a two-part MS polymer (modified silane) sealant with a 10:1 mix ratio, used as a shield sealant on wind turbine blade and hub components. It is highly thixotropic with no flow on vertical surfaces, adheres well to epoxy resin substrates and offers high elasticity. FEYANA supplies TONSAN MS1938H; contact us for packaging and the TDS.
Key features
- Two-part MS polymer, 10:1 mix ratio
- Highly thixotropic, no flow on vertical surfaces
- Good adhesion to epoxy resin substrates
- High elasticity, 250% elongation at break
Technical data
| Mix ratio | 10:1 |
|---|---|
| Density | 1.43 |
| Extrudability (0.6MPa) | 21g/20s |
| Open time | 10min |
| Fixture time | 30~50min |
| Tensile strength (room temp. cured for 7 days) | >2.5MPa |
| Elongation at break | 250% |
| Hardness A | 45 |
Applications
- Shield sealing on wind turbine blade and hub components
Data are typical values from the manufacturer’s literature. Contact us for the TDS/SDS and selection advice.
Contact FEYANA: WhatsApp/Zalo +84 988 641 591 – sales.00@feyana.com




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