Product Introduction
Momentive SNAPSIL™ RTV5818 is a translucent, one-component, neutral-cure silicone adhesive sealant that cures quickly at room temperature to form a durable and flexible silicone rubber. With fast tack-free performance, excellent confined-cure capability, and strong adhesion to metals, plastics, glass, and ceramics, RTV5818 is engineered for reliable industrial and electronic bonding applications requiring durability, clarity, and environmental resistance.
SNAPSIL™ RTV5818 Features
- Fast-curing one-component neutral-cure silicone
- Translucent formulation for aesthetic and inspection value
- Primerless adhesion to metals, plastics, glass, and ceramics
- Non-corrosive and low-odor curing system
- Excellent electrical insulation and dielectric stability
- High mechanical durability including tensile and tear strength
- Strong UV, chemical, and moisture resistance
- Effective in confined applications up to 6 mm bead thickness
- Wide operating temperature range from -75°F to 400°F
SNAPSIL™ RTV5818 Applications
- Industrial bonding and sealing of metals, plastics, and glass
- Electrical insulation and component sealing
- Assemblies requiring fast curing and quick handling
- Appliance, automotive, and electronics manufacturing
- Indoor/outdoor applications with UV or chemical exposure
- Bonding applications requiring translucent appearance
About Prostech
Prostech offers specialty materials (adhesives, tapes, thermal interface materials, insulating materials, sealants, PCB protection materials, …) along with manufacturing solutions. We proudly serve a wide range of industries and are an authorized distributor for leading global manufacturers of industrial materials and equipment. Our product range is designed to deliver customized solutions that address each customer’s unique needs.
With years of experience and a successful project history, we are confident in our ability to provide comprehensive material solutions. These solutions effectively tackle the challenges manufacturers face. To explore our full product catalog, simply click here. Our dedicated team is ready to assist with:
- Provide quotation, sample, TDS/MSDS, and technical consultation
- Testing sample quality and verifying product compatibility in our laboratory
- Customizing material formulas for special applications
- Adapting product sizes, quantities, and packaging to meet specific needs
- Offering expert advice on suitable equipment and automation processes
- Delivering technical training and on-site support for optimal product use
Moreover, Prostech ensures the safe and accurate global delivery of all materials, including “dangerous goods”, in compliance with legal regulations. For personalized technical support or to receive a quotation, please contact us today.
| Property | Value |
|---|---|
| Color | Translucent |
| Consistency | Paste |
| Specific Gravity | 1.04 |
| Application Rate | 360 g/min |
| Tack-Free Time | 15 min |
| Cure Through Time | 12 hours |
| Hardness (Shore A) | 24 |
| Tensile Strength | 21 kg/cm² (300 psi) |
| Elongation | 435% |
| Tear Strength | 7.1 kg/cm (40 lb/in) |
| Peel Strength | 8 kg/cm (47 lb/in) |
| Dielectric Strength | 17 kV/mm (425 V/mil) |
| Dielectric Constant | 2.8 |
| Dissipation Factor | 0.0002 |
| Volume Resistivity | 2×10¹⁵ ohm·cm |
| Brittle Point | -60 °C (-75 °F) |
| Thermal Conductivity | 0.06 W/m·K |
| Coefficient of Thermal Expansion | 3.0×10⁻⁴ mm/mm/°C |
| Temperature Range | -60 °C to 204 °C (long-term), up to 260 °C short-term |
