MG Chemicals RTV108-85mL Clear Silicone Sealant, 85ml Tube
MG Chemicals RTV108-85mL Clear Silicone Sealant, 85ml Tube
MG Chemicals RTV108 is a one-part, moisture-cure clear silicone adhesive sealant that cures at room temperature to a flexible, durable elastomer. The 85ml squeeze tube format is ideal for small repairs, prototyping, lab use, and low-volume applications requiring precise hand application. RTV108 bonds to glass, ceramics, most metals, and many plastics, making it a versatile choice for electronics potting, gasketing, sealing, and general-purpose bonding in industrial and electronics manufacturing environments.
Sold individually (85ml tube).
Specifications
| SKU | RTV108-85mL |
|---|---|
| Brand | MG Chemicals |
| Type | One-part, moisture-cure RTV silicone |
| Color | Clear |
| Volume | 85ml squeeze tube |
| Cure System | Moisture cure (acetic acid by-product) |
| Operating Temperature | -65°C to +204°C (-85°F to +400°F) |
| Substrates | Glass, ceramics, metals, most plastics |
| Application | Potting, gasketing, sealing, bonding, small repairs, prototyping |
Frequently Asked Questions
What does "RTV" mean and how does RTV108 cure?
RTV stands for Room Temperature Vulcanizing — meaning the silicone cures at ambient temperature without requiring heat. RTV108 is a one-part moisture-cure silicone that reacts with atmospheric moisture to cure. It releases acetic acid (vinegar smell) during cure, which is normal. Full cure typically takes 24–72 hours depending on temperature, humidity, and section thickness.
What surfaces does RTV108 bond to?
RTV108 bonds well to glass, ceramics, most metals (aluminum, stainless steel, copper), and many plastics. It may not adhere well to polyethylene, polypropylene, or PTFE without a primer. For best adhesion, surfaces should be clean, dry, and free of oils or contaminants before application.
Is the 85ml tube format right for my application?
The 85ml squeeze tube is ideal for small repairs, prototyping, lab use, and low-volume production where hand application is preferred. For higher-volume production applications requiring a caulking gun, the 300ml cartridge (RTV108-300mL) is the better choice. Both contain the same RTV108 clear silicone formulation.
Is RTV108 suitable for electronics applications?
Yes. RTV108 is widely used in electronics manufacturing for potting, encapsulation, gasketing, and sealing PCBs and electronic assemblies. Its wide operating temperature range (-65°C to +204°C) and flexible cured properties make it resistant to thermal cycling, vibration, and moisture ingress — key requirements for electronics protection in industrial and cleanroom environments.
