High temperature sealant for reliable, leak free engine repairs
Achieve durable sealing and leak prevention with Wynn's Black Gasket Maker 200ml, a high performance RTV silicone sealant suitable for a wide range of engine and mechanical applications. Designed to replace traditional gaskets, it provides a flexible and long lasting seal.
Wynn’s Black Gasket Maker is a polysiloxane based RTV silicone sealant developed to form instant, reliable gaskets on engine components and mechanical assemblies. It bonds and seals surfaces to prevent leaks while maintaining flexibility under heat and pressure.
Engineered for demanding environments, it resists oils, coolant, grease and high temperatures, making it ideal for components such as rocker covers, sump pans, water pumps and thermostat housings. It is safe for use with catalytic converters and sensors, ensuring modern vehicle compatibility.
Key Features
- High temperature RTV silicone gasket maker
- Replaces cork, paper, rubber and felt gaskets
- Resistant to oil, coolant, grease and other fluids
- Temperature range from -40°C to over 230°C continuous
- Flexible seal prevents leaks and maintains durability
- Safe for catalytic converters and electronic sensors
- Easy to apply with no mixing required
Specification
- Product type: Gasket maker / sealant
- Technology: RTV silicone (polysiloxane based)
- Colour: Black
- Size: 200ml
- Temperature resistance: -40°C to 232°C continuous, up to 260°C intermittent
- Resistance: Oils, transmission fluids, water, antifreeze, grease and gases
- Application: Engine components, housings, flanges and general sealing
Vehicle Compatibility
Suitable for universal use across automotive and mechanical applications, including:
- Engine components such as rocker covers, sump pans and crankcases
- Cooling system parts including water pumps and thermostats
- Gearboxes, transmissions and housings
- General workshop, industrial and maintenance applications