Product Introduction
Momentive SilTRUST™ TSE3660 is a two-component, condensation-cure silicone potting material designed for high-performance electronic protection. Available in general and fast-cure grades, it provides low viscosity, excellent deep-section curing, primerless adhesion, and UL94 HB flame retardancy (A/B grade), forming a durable elastic rubber ideal for potting applications.
Momentive TSE3660 Features
- Low viscosity for superior flow and cavity filling
- Fast curing with TSE3660(A)/(B) and TSE3660(A)/(C) grades
- Primerless adhesion to metals, plastics, ceramics, and glass
- No cure inhibition
- UL94 HB flame retardant performance (A/B grade)
- Excellent electrical insulation properties
- Strong adhesion across a wide range of substrates
Momentive TSE3660 Applications
- Potting of electrical and communication components
- Environmental sealing of electronic modules
- Protection of assemblies from moisture and contaminants
- General electronic insulation and bonding
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 |
|---|---|
| Appearance (A) | White |
| Appearance (B/C) | Blue-Green |
| Specific Gravity (A) | 1.27 |
| Specific Gravity (B/C) | 1.02 |
| Viscosity (A) | 3.1 Pa·s |
| Viscosity (B/C) | 0.01 Pa·s |
| Mix Ratio (Weight) | 100 : 8 |
| Mix Ratio (Volume) | 100 : 10 |
| Pot Life | 0.1 h |
| Tack-Free Time | 15 min (A/B), 10 min (A/C) |
| Cured Appearance | Elastic rubber, Blue-Green |
| Density | 1.27 g/cm³ |
| Hardness | Type A: 31–33 |
| Tensile Strength | 1.0–1.1 MPa |
| Elongation | 100% |
| Adhesive Strength | 0.5–0.6 MPa |
| Volume Resistivity | 1.2 × 10¹⁵ Ω·cm |
| Dielectric Strength | 26 kV/mm |
| Dielectric Constant | 3.4 (60 Hz) |
| Dissipation Factor | 0.02 (60 Hz) |


