Momentive™ RTV108 Clear Silicone Sealant – 2.8 oz Tube
RTV108 by Momentive Performance Materials is a professional-grade rtv silicone sealant available in 2.8 oz Tube format. It is designed for use on Electronics, Metal, Glass, Plastic surfaces, delivering long-lasting adhesion, flexibility, and environmental resistance across a wide range of industrial, commercial, and specialized applications. Clear 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) | 28088 |
| Brand | Momentive Performance Materials |
| Product / Model Name | RTV108 |
| Color | Clear |
| Package Size | 2.8 oz Tube |
| Product Type | RTV Silicone Sealant |
| Specification | N/A |
| Compatible Substrates | Electronics, Metal, Glass, Plastic |
Technical Information
Momentive RTV108 is a one-part, acetoxy-cure RTV silicone sealant designed for general-purpose bonding, sealing, and encapsulation of electronics, glass, and metal assemblies. It cures to a clear, flexible silicone rubber with excellent dielectric properties and resistance to moisture, making it a versatile choice for electronics protection and structural sealing across a service temperature range of -65°C to +204°C. RTV108 is particularly valued in electronics manufacturing for its ease of application, reliable moisture exclusion, and long-term stability at elevated operating temperatures encountered in industrial and commercial electronic equipment.
Why Choose RTV108?
- ✅ Clear Cure — Optically clear silicone for electronics and glass sealing
- ✅ One-Part Convenience — No mixing — ready to dispense directly from the 2.8 oz tube
- ✅ Excellent Dielectric Strength — Reliable electrical insulation for electronic sealing
- ✅ Broad Service Temperature — -65°C to +204°C for demanding industrial environments
- ✅ Moisture & Vibration Protection — Protects electronics from humidity and mechanical shock
Frequently Asked Questions
Q: What is Momentive RTV108 silicone used for?
A: Momentive RTV108 is a clear, one-part, acetoxy-cure silicone sealant used for general-purpose bonding, sealing, and potting of electronic assemblies, glass, metals, and plastics.
Q: What is the MPN for Momentive RTV108 2.8 oz?
A: The Manufacturer Part Number (MPN) is 28088.
Q: Does RTV108 produce an odor when curing?
A: Yes. RTV108 is an acetoxy-cure silicone and releases acetic acid (a vinegar-like odor) during curing. Ensure adequate ventilation during application and curing.
Q: Is RTV108 suitable for electronic component sealing?
A: Yes. Momentive RTV108 is formulated for electronics sealing and encapsulation, providing moisture, dust, and vibration protection for circuit boards and components.
Q: What temperature range does Momentive RTV108 withstand?
A: Momentive RTV108 is rated for service temperatures from approximately -65°C to +204°C after full cure, suitable for most industrial and electronic sealing applications.


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