Exceptional heat resistance

The ELRING Dirko HT red sealing paste is designed to withstand extreme temperatures. With a temperature range of -60°C to +300°C and short-term up to +315°C, this paste is ideal for applications requiring high heat resistance.

Versatile applications

This sealing paste is suitable for a wide range of automotive applications, including:

• Valve covers
• Oil pans
• Water pumps
• Oil pumps
• Differential housings
• Gearboxes
• Thermostat housings
• Headlights and taillights

Excellent adhesion and elasticity

The Dirko HT paste offers excellent adhesion to various materials such as metals, cast iron, plastics (except PE, PP, and PTFE), and glass. After curing, the paste remains permanently elastic, ensuring a durable seal that resists vibrations and temperature fluctuations.

Resistant to various substances

This sealing paste is resistant to:

• Mineral and synthetic oils (including additives)
• Lubricating greases
• Coolants
• UV radiation
• Cold and hot water
• Salt water
• Cleaning agents
• Weak acids and bases

Technical specifications

• Chemical base: Acetoxy silicones
• Consistency: Pastelike, stable, permanently resilient after curing
• Maximum sealing gap: 2.0 mm
• Shore A hardness: 30 ± 5 (DIN 53505)
• Density: 1.1 ± 0.2 g/ml (DIN 53479)
• Skin formation time: 5 - 10 minutes at 23°C and 50% relative humidity (DIN EN ISO 291)
• Curing time: Approximately 4.5 mm per 24 hours at 23°C and 50% relative humidity (DIN EN ISO 291)
• Elastic modulus 100%: 0.6 ± 0.2 N/mm² (DIN EN ISO 8339)
• Elongation at break: 600 ± 100% (DIN 53504)
• Tensile strength: 2.9 ± 0.2 N/mm² (DIN 53504)

Use and application

For optimal results:

1. Ensure surfaces are clean, dry, and free of grease.
2. Apply the paste evenly to the surface to be sealed.
3. Assemble the parts according to the manufacturer's instructions.
4. Allow the paste to cure at room temperature.

With the ELRING Dirko HT red sealing paste, you have a reliable and versatile solution for all your sealing needs in the automotive sector.