Description
blue RTV silicone is a room-temperature vulcanizing gasket sealant for forming flexible in-place seals on automotive, industrial, electrical, and maintenance assemblies. This Pacer listing is used for oil pans, rear housings, water pumps, valve covers, thermostat housings, wiring, lights, doors, hose connections, windshields, and sunroofs.
blue RTV silicone Benefits
- Forms a flexible gasket directly on the part, replacing many cork, paper, asbestos, and felt precut gaskets.
- Moisture-cure silicone stays flexible after cure to handle vibration and thermal movement.
- Resists oil, antifreeze, grease, and transmission fluid in common maintenance sealing work.
- Blue color helps technicians see bead placement and coverage before assembly.
- Useful for sealing, bonding, waterproofing, and insulating in shop and field repairs.
Use this material when the joint calls for a flexible formed-in-place gasket instead of a rigid adhesive. The bead size, surface cleanliness, assembly timing, and cure window all affect the final seal.
Common Applications
- Oil pan, valve cover, thermostat housing, and water pump gasket work.
- Rear end housings and drivetrain service areas exposed to fluids.
- Electrical connections, wire entries, and small enclosure sealing.
- Windshield, sunroof, door, light, and hose connection sealing tasks.
- General maintenance repairs needing a flexible silicone seal.
Surface Preparation and Use
Remove old gasket material, oil, and loose debris before applying a new bead. Cut the nozzle to the bead size needed, apply a continuous line to one surface, and assemble according to the service procedure. Do not overtighten hardware before the bead has had the required setup time.
Let the seal cure before exposing the joint to full service, fluids, or pressure. Cure time changes with humidity, temperature, and bead thickness, so verify the current product directions before returning equipment to service.
blue RTV silicone Technical Details
Pacer Pro Seal product information lists this material as a low-volatile, sensor-safe product with high gap filling, dynamic fatigue resistance, and temperature resistance from -70 F to 600 F. Review the current manufacturer homepage from The Original Super Glue Corporation before approving maintenance procedures.
Ordering Help
For related sealants and gasket materials, browse Chemical Concepts sealants. For help choosing silicone color, cure profile, or package size, call (800) 220-1966 or email [email protected].







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