Advanced Sealing: Silica-Modified Filled Gaskets

Manufactured by Chunhuan, the PTFE-Silica Filled Gasket is a high-performance sealing solution engineered by uniformly dispersing silica (SiO₂) into a PTFE matrix. This modification enhances the mechanical strength, hardness, and dimensional stability while maintaining the excellent chemical inertness of pure PTFE. It effectively solves the cold flow and creep issues typical of unfilled PTFE, ensuring consistent, long-term sealing under variable pressure and temperature.

Features

• Exceptional Chemical Resistance: Withstands strong acids, bases, and organic solvents.

• High Mechanical Strength: Silica filler significantly improves compressive strength and creep resistance.

• Reliable Sealing: Moderate hardness ensures secure and stable sealing over time.

• Anti-Cold Flow: Reduced plastic deformation under heat and pressure.

• Large plage de températures : -200°C to +260°C operation with short-term higher tolerance.

• Clean and Non-Toxic: Suitable for food, chemical, and pharmaceutical industries.

Applications

• Chemical and Petrochemical Plants: Flange sealing for pipes, valves, and reactors.

• Pharmaceutical and Food Industry: Safe for hygienic sealing applications.

• Power and Energy: Reliable performance under temperature and pressure cycling.

• General Industry: Replaces pure PTFE gaskets where better creep resistance is required.

Advantages

• Stronger, more durable, and creep-resistant than pure PTFE.

• Outstanding sealing reliability under harsh operating conditions.

• Resistant to nearly all corrosive chemicals.

• Extended service life and reduced maintenance costs.

Summary

Le PTFE-Silica Filled Gasket by Chunhuan combines chemical inertness, mechanical strength, and long-term stability. It delivers reliable sealing for environnements industriels difficiles, making it the preferred choice across chemical, pharmaceutical, food, and energy sectors.