Introduction: When Material Performance Meets Industry Ceilings
In an era of electric vehicles, space exploration, and smart manufacturing, the demands on core foundational materials—especially high-performance elastomers like silicone rubber and specialized compounds—are being constantly redefined. Traditional material systems are showing their limitations: standard silicone rubber offers excellent elasticity but fails catastrophically in the presence of fuels and lubricating oils; fluoroelastomer (FKM) boasts superior chemical resistance but is hampered by poor low-temperature elasticity and high compression set, making it a challenging choice for dynamic sealing applications.
The industry urgently needs a versatile material that combines the best of all worlds. It must remain flexible at -60°C, maintain its form at 230°C, withstand aggressive chemical media, and offer excellent processability and long service life. Fluorosilicone Rubber (FVMQ) is the answer to this call. The Sanesil FS 8200 U and FS 2200 U series from SaneZen represent the latest evolution of this answer, becoming a key enabler in solving sealing dilemmas for high-end manufacturing. As leading Fluorosilicone rubber Manufacturers and Fluorosilicone rubber Suppliers, we provide high-quality silicone rubber compound solutions.
I. The Technological Edge: Performance Breakthroughs and Design Philosophy of Sanesil FVMQ
SaneZen’s R&D team, with deep market insight, has systematically optimized Fluorosilicone Rubber through advanced polymer synthesis and nano-composite technology. Their latest achievements are embodied in the two main product series: FS 8200 U (Extrusion Grade) and FS 2200 U (Molding/General Grade).
1. Ultra-Low Compression Set for Long-Term Sealing Life
Compression set is the “lifeline” metric determining a seal’s long-term effectiveness. Material relaxation and permanent deformation under high temperatures can lead directly to leakage. The Sanesil FS 2200 U series achieves an industry-leading breakthrough in this property. The data is impressive: after rigorous testing at 177°C for 22 hours, the compression set values for this series remain in an exceptionally low range of 6.2% – 7.5% (ASTM D395 Method A). This means that even under continuous high temperature and pressure, SaneZen seals maintain excellent resilience, ensuring reliable performance for years, significantly extending equipment maintenance cycles and service life.
2. Exceptional Fluid Resistance and Environmental Adaptability
The core value of FVMQ lies in its unique fluid resistance. SaneZen products undergo rigorous testing in various standard fluids, demonstrating comprehensive and balanced resistance:
- Fuel/Oil Resistance: After 70 hours of immersion in Fuel B (FS8200U) and Fuel C (FS2200U), volume swell is controlled at an excellent level of +15% to +25%, far superior to standard rubbers, ensuring dimensional stability in critical automotive applications like fuel systems and engine sumps.
- Polar Solvent & High-Temperature Oil Resistance: In 903# oil, the volume change for FS2200U is as low as +2.1% to +3.5% with minimal hardness change, proving outstanding resistance to various synthetic and hydraulic oils.
This comprehensive chemical resistance allows it to handle the complex chemical environments found in petrochemical and automotive industries.
Factory entrance
3. Broad Hardness Range and Superior Mechanical Properties
To meet the softness/hardness requirements of different applications, Sanezen offers an extensive product matrix. The FS 2200 U series provides a complete hardness selection from 30° to 79° (Shore A), while the FS 8200 U series covers the common range of 50° to 80°. More remarkably, even at low hardness (30°), the tensile strength remains close to 10 MPa, and at high hardness, it maintains an elongation at break of over 320% (FS8280U). This combination of high strength and high elasticity ensures seals are resistant to tearing and damage during installation and use.
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