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TSE3944 – Low volatile, flame retardant silicone adhesive sealant for electronics, sealing, and waterproofing

  • Item Name: TSE3944

  • Manufacturer: Momentive Performance Materials

  • Technologies: One-component, moisture-curing silicone adhesive sealant

  • Color: Gray (-G), White (-W)

  • Cure Type: Moisture cure at ambient temperature

  • Package Size: 130 g tubes, 333 ml cartridges, 20 kg pails

  • Shelf Life: Contact to Techniq VN for details.

1. Product Overview

TSE3944 is a one-component, low volatile silicone adhesive sealant that cures upon exposure to atmospheric moisture, forming an elastic, flame-retardant silicone rubber. It adheres strongly to metals, plastics, ceramics, and glass without primers, offering excellent corrosion resistance. The product features fast cure, low odor, wide temperature resistance (-55°C to 200°C), and outstanding weatherability, ozone, chemical, and electrical insulation performance.


2. Applications

  • Non-corrosive coatings for integrated circuits and semiconductors

  • Sealing of electrical and industrial applications requiring flame retardancy

  • Connection sealing on electronic assemblies

  • Waterproof sealing for electrical, electronic, and communication equipment

3. Typical Properties

Property Uncured Cured (7 days @ 23°C, 50% RH)
Appearance Semi-flowable paste Elastic rubber
Tack-free Time (min, 23°C) 5
Density (g/cm³) 1.31
Hardness (Type A) 38
Tensile Strength (MPa {kgf/cm²}) 1.5 {15}
Elongation (%) 170
Adhesive Strength*1 (MPa {kgf/cm²}) 1.0 {10}
Thermal Conductivity*2 (W/m·K {cal/(cm·s·°C)}) 0.36 {8.0×10⁻⁴}
Volatile Siloxane (wt %) 0.028
Volume Resistivity (MΩ·m {Ω·cm}) 1.0×10⁷ {1.0×10¹⁵}
Dielectric Strength (kV/mm) 22
Dielectric Constant (60 Hz) 3.8
Dissipation Factor (60 Hz) 0.02

*1: Aluminum Lap Shear
*2: In-house test method

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