Product Description
Momentive TSE3877-B is a one-component, ready-to-use adhesive sealant, which cures to a flexible silicone rubber on exposure to atmospheric moisture at room temperature. This product has excellent heat resistant properties, retaining elastomeric and adhesive properties even at temperatures as high as 250°C, and provides superior electrical insulation and protection against moisture and dust contamination.
Key features of Momentive TSE3877-B
♦ One-component, ready-to-use
♦ Room temperature cure
♦ Primerless adhesion to many types of substrates
♦ Flowability permits a smooth finished surface
♦ Superior heat resistant properties
Applications of Momentive TSE3877-B
♦ Electrical insulation, fixing, moistureproof sealant for electric and electronic components
and home appliances
♦ Insulation and waterproof sealant for in/outlet of motors and transformers
♦ Sealant for chimneys and smoke ducts
♦ Sealant around automotive and ship engines
♦ Tight waterproof and dustproof seal for instruments and gauges
♦ Adhesive for metals, glass, plastics, wood, etc
See all Momentive Product Here
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.
Typical Property Data (JIS K 6249)
Uncured Properties
| Property | Value |
|---|---|
| Appearance | Black, Flowable |
| Viscosity (23°C) | 300 Pa·s {3,000 P} |
| Tack-free Time (23°C) | 20 minutes |
Cured Properties (7 Days @ 23°C, 50% RH)
| Property | Value |
|---|---|
| Appearance | Black, Elastic rubber |
| Density (g/cm³) | 1.09 |
| Hardness (Type A) | 25 |
| Tensile Strength (MPa) | 2.0 {20 kgf/cm²} |
| Elongation (%) | 440 |
| Adhesive Strength (MPa) | 2.0 {20 kgf/cm²} |
| Linear Expansion (1/K) | 2.1 × 10⁻⁴ |
| Thermal Conductivity (W/m·K) | 0.18 {4.4 × 10⁻⁴ cal/(cm·s·°C)} |
Electrical Properties
| Property | Value |
|---|---|
| Volume Resistivity (Ω·cm) | 1 × 10¹⁵ |
| Dielectric Strength (kV/mm) | 20 |
| Dielectric Constant (60Hz) | 3.5 |
| Dissipation Factor (60Hz) | 0.01 |
