Momentive™ RTV106 Red High Temp Silicone Sealant Paste – 2.8 oz Tube
RTV106 by Momentive Performance Materials is a professional-grade high temperature silicone sealant paste available in 2.8 oz Tube format. It is designed for use on Metal, Engine Components, Gaskets surfaces, delivering long-lasting adhesion, flexibility, and environmental resistance across a wide range of industrial, commercial, and specialized applications. Red in color, this product is trusted by maintenance professionals, OEM manufacturers, and engineers worldwide who demand consistent, specification-grade silicone performance in every application.
| Attribute | Detail |
|---|---|
| Manufacturer Part Number (MPN) | 37931 |
| Brand | Momentive Performance Materials |
| Product / Model Name | RTV106 |
| Color | Red |
| Package Size | 2.8 oz Tube |
| Product Type | High Temperature Silicone Sealant Paste |
| Specification | N/A |
| Compatible Substrates | Metal, Engine Components, Gaskets |
Technical Information
Momentive RTV106 Red in the 2.8 oz tube format delivers the same high-temperature silicone sealant paste performance as the cartridge version in a compact, hand-squeezable tube designed for precision small-scale gasketing and sealing tasks. The 260°C continuous service rating makes it ideal for automotive repair, small engine maintenance, industrial equipment servicing, and prototype fabrication where a form-in-place silicone gasket is required in tight spaces or low-volume applications. The tube format provides precise bead control without the need for a caulk gun.
Why Choose RTV106?
- ✅ 260°C Continuous Rating — Same high-temp performance as the cartridge — in tube form
- ✅ Precision Application — Hand-squeezable tube for small, detailed gasketing jobs
- ✅ No Caulk Gun Needed — Compact format for field repair and tight-space applications
- ✅ Form-In-Place Gasket — Creates conforming silicone gaskets on any metal mating surface
- ✅ Red Color ID — Standard high-temp identification color for maintenance traceability
Frequently Asked Questions
Q: What is Momentive RTV106 Red 2.8 oz tube used for?
A: Momentive RTV106 Red in the 2.8 oz tube is used for small-scale, precision high-temperature gasketing and sealing of engine components, exhaust flanges, industrial equipment, and other heat-exposed metal surfaces.
Q: What is the MPN for Momentive RTV106 Red 2.8 oz tube?
A: The Manufacturer Part Number (MPN) is 37931.
Q: What temperature rating does RTV106 Red achieve?
A: Momentive RTV106 Red is rated for continuous service up to approximately 260°C (500°F), with intermittent resistance to higher temperatures.
Q: What is the difference between RTV106 2.8 oz tube and 10.1 oz cartridge?
A: Both contain the same Momentive RTV106 Red high-temperature silicone sealant. The 2.8 oz tube is suited for small, precision sealing jobs, while the 10.1 oz cartridge is used with a caulk gun for larger applications.
Q: Is RTV106 Red suitable as a gasket maker?
A: Yes. Momentive RTV106 Red is a popular form-in-place gasket maker for high-temperature metal joints in automotive, industrial, and equipment manufacturing applications.


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