Product Core

The Metal Cylinder Gasket is a critical sealing component designed for modern high-performance engines. It ensures a leak-proof seal between the cylinder head and engine block, maintaining optimal combustion pressure, preventing coolant/oil leaks, and enhancing engine efficiency. By combining high-strength metal layers with advanced graphite sealing technology,the metal cylinder gasket delivers superior durability under extreme thermal and mechanical stress, making it ideal for turbocharged, high-compression, and heavy-duty engines.

Technical Specifications

Parameter	Value
Max Temperature	400°C (752°F)
Burst Pressure	520-550 bar
Compression Recovery	≥92% (at 300 bar)
Thermal Cycles	5,000+ (-40°C ↔ +400°C)
Leak Rate (Helium)	<1×10⁻⁶ mbar·L/s
Surface Finish	Ra ≤1.6μm
Corrosion Resistance	C5-M (Marine Grade)

Product Features

1. Multi-Layer Composite Structure
• 3-5 layered construction with stainless steel (304/316L) corefor structural integrity
• Graphite sealing layers for superior conformability and heat resistance
• Fluoropolymer coating (PTFE/PFA) for additional chemical and thermal protection (up to 400°C / 752°F)

2. Precision Manufacturing & Quality Control
• Laser-cut edges for perfect fitment (±0.05mm tolerance)
• Isostatic pressing ensures uniform graphite density (1.75-1.80 g/cm³)
• Surface finish ≤ Ra 1.6μm for optimal sealing contact

3. Extreme Performance Under Pressure
• Burst pressure resistance: 500-550 bar (DIN ISO 4138 certified)
• Thermal cycling stability (-40°C to +400°C, 5,000+ cycles)
• Helium leak rate < 1×10⁻⁶ mbar·L/s (ISO 15848-1 compliant)

4. Enhanced Durability & Reliability
• Anti-stick coating prevents material adhesion during disassembly
• Corrosion-resistant (C5-M salt spray rating for marine applications)
• Micro-crack resistant under high-pressure pulsation

Product Applications

1. Automotive Engines

Turbocharged & high-performance gasoline engines – Maintains seal under high boost pressure
Hybrid & PHEV powertrains – Handles frequent thermal cycling from engine start-stop
Direct injection (GDI/TDI) engines– Resists fuel and combustion byproduct degradation

2. Heavy-Duty & Diesel Applications

Commercial trucks & construction equipment – Withstands high cylinder pressures (up to 250 bar)
Marine & locomotive engines – Saltwater and vibration-resistant design
Agricultural machinery – Reliable sealing in dusty, high-load conditions

3. Motorsport & Racing

Track & rally engines – Survives extreme RPM fluctuations
Forced induction (turbo/supercharged) setups – Prevents blowout under peak torque conditions
High-displacement engines – Maintains seal integrity under sustained high heat

Product Advantages

Longer lifespan – 30%+ improvement over traditional MLS gaskets
Lower emissions – Reduces blow-by for cleaner combustion
Higher boost tolerance – Ideal for modified/tuned engines
Reduced maintenance – No re-torquing required

Customization Options

Variable thickness (0.5mm – 2.5mm) for different deck heights
Special coatings (CrN, DLC) for extreme wear resistance
Asymmetric bore designs for performance engines

Conclusion

Engineered for maximum reliability under extreme conditions, our Metal Cylinder Gasket is the ultimate solution for high-performance, diesel, and racing engines. With multi-layer reinforcement, precision manufacturing, and industry-leading leak resistance, it outperforms traditional gaskets in durability, sealing efficiency, and thermal stability.