High-Temperature Vermiculite Expansion Mat A high-performance thermal insulation gasket designed for automotive emission control systems Product Overview Our premium expansion mat is specifically engineered for catalytic converter encapsulation in automotive exhaust systems. Featuring an advanced ceramic fiber and vermiculite composite formulation, it delivers exceptional thermal insulation, flexibility, and erosion resistance - making it the ideal solution for automotive aftertreatment systems and industrial high-temperature applications. Key Advantages ✅ Direct Manufacturer - Competitive pricing with quality assurance ✅ Custom Thickness - 2mm-12mm available (custom sizes upon request) ✅ Special Shapes - Support for custom dimensions✅ Cost-Effective - Optimal balance between performance and price Product Features Outstanding Performance 🔥 High-Temperature Stability: Classification temperature 1260°C, working temperature ≤1000°C 🛡️Erosion Resistance: Special fiber structure design withstands gas flow impact 🧱 Support Performance: Initial support at low temperature, enhanced support when vermiculite expands above 330°C 🧤Flexibility: Can bend nearly 180° without cracking 🧊 Thermal Insulation: Thermal conductivity ≥0.18W/m·k, effectively maintains catalytic temperature Application Benefits ✨Sealing Performance: Prevents exhaust gas leakage ⚡Catalyst Protection: Maintains optimal working temperature range 💰Cost Efficiency: Extends converter lifespan, reduces maintenance costs 🌐Wide Applications: Automotive aftertreatment/industrial insulation/high-temperature expansion/fireproofing Technical SpecificationsMaterial Composition Component Content Tolerance Ceramic Fiber 47% ±6.0% Vermiculite 47% ±5.0% Binder 7% ±5.0% Physical Properties Parameter Specification Tensile Strength ≥135kPa Thermal Conductivity ≥0.18W/m·k Classification Temperature 1260°C Working Temperature ≤1000°C Working Principle Installed between the ceramic substrate and metal housing in catalytic converters: At low temperatures: Ceramic fiber network provides initial support At high temperatures (>330°C): Vermiculite expansion enhances support force Continuous action: Maintains stable environment for catalytic conversion of CO, HC and NOx into harmless gases Recommended Applications Vehicles with degraded/damaged catalytic converters NOx emission vehicles requiring treatment Exhaust system repairs for failed emissions tests Industrial high-temperature equipment insulation Fireproofing applications General high-temperature expansion applications. Our Commitment 📦 Direct Manufacturing - Quality guaranteed 🛠️ Custom Solutions - Tailored to your requirements ⏱️ Fast Delivery - Reliable lead times 📞 Technical Support - Expert assistance Ready to Order or Need More Information? Contact us today for customized solutions and competitive pricing!
