Applications

Momentive TSE3877-B Heat Resistant Silicone Adhesive Sealant

Product code: TSE3877-B

Manufacturer: Momentive

Package size: 100g; 333ml; 18kg

Shelf Life: contact us for details

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

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

Everwide FX244-1: High Performance for Precision Molding

FX244-1 A specialized two-part silicone rubber designed for creating high-precision molds. This material features a unique oil-bleeding property that creates a self-releasing surface, eliminating the need for external non-stick sprays during demolding.

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