Product Introduction
Momentive TSE3877-B is a one-component silicone adhesive sealant that cures into a flexible silicone rubber upon exposure to atmospheric moisture. It offers excellent heat resistance up to 250°C and superior electrical insulation, providing long-lasting protection.
Momentive TSE3877-B Features
- One-component, ready-to-use formula.
- Room-temperature cure.
- Primerless adhesion to multiple substrates.
- Superior heat-resistant properties, retaining elasticity at high temperatures.
- Exceptional moisture and dust protection.
Momentive TSE3877-B Applications
- Electrical insulation and moistureproof sealing for appliances.
- Sealant for motors, transformers, and engines.
- Waterproofing for instruments, gauges, and automotive components.
- Adhesive for metals, glass, plastics, and wood.
About Prostech
Prostech Philippines is a one-stop solution provider for specialty materials and equipment across electronics manufacturing, from PCBA to final assembly. Our core material and equipment solutions include:
- PCB Assembly Materials
- Cleaning & Degreaser
- Circuit Board Protection
- Thermal Management Solutions
- EMI Shielding
- General Assembly Adhesives
- Elastomeric Materials
- Process Equipment: Potting & Coating Systems, UV/ Heat Curing, Plasma Treatment, Tape placement automation, and cleaning machines
Technical Added Value to customer
Prostech offers customized material and process equipment solutions with engineering support throughout R&D, production process optimization, and performance validation. Our in-house lab located in Alabang, Muntinlupa is equipped to conduct electronics material testing, application simulation, and adhesive validation, helping customers reduce the need for onsite trials and accelerate implementation.
International Supply Chain Advantage
Regional warehouse hubs across Vietnam, Singapore, Malaysia, and the Philippines ensure cross-border reliable supply. In Philippines PEZA-bonded warehouse located at Lima Industrial Park, Batangas enables Prostech to provide responsive, demand-based delivery and significantly shortens standard lead time for Philippines customers.
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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 |
