TSE352 FLIT PLUG
GEE61183
Momentive TSE352 Flit Plug Silicone Encapsulant – Room-Temperature Curing Encapsulant for Mining Cable Couplers
TSE352 Flit Plug Silicone Encapsulant is a two-component, ready-to-mix silicone rubber system specifically formulated for flameproof cable coupling and electrical encapsulation in underground mining applications. Once mixed (in a 100:2 ratio by weight), it cures at room temperature upon exposure to ambient moisture, forming a flexible, durable, and electrically insulating elastomer that protects critical connections from dust, moisture, vibration, and arcing.
Designed for reliability in harsh environments, TSE352 features low viscosity for excellent flowability, visual mixing confirmation (light pink catalyst blends into a uniform light grey), and repairability. Cured material can be cut away and replaced without requiring the full system to be disassembled. Its elastomeric flexibility accommodates cable movement while maintaining seal integrity, making it ideal for rugged industrial use.
Key Features
- Room-temperature moisture cure – no heat or ovens required
- Low mixed viscosity (9.2 Pa·s) – flows easily into complex coupler geometries
- Visual mixing confirmation: red catalyst + grey base = uniform light pink
- Non-flammable catalyst – enhances safety in explosive atmospheres
- Wide service temperature range: –54°C to 204°C (–65°F to 400°F) continuous; short-term up to 260°C (500°F)
- High electrical insulation:
- Dielectric strength: 24 kV/mm
- Volume resistivity: 1.0 × 10¹⁴ Ω·cm
- Repairable – damaged sections can be removed and re-encapsulated
- Flexibility absorbs cable movement, reducing stress on connections
Typical Applications
- Flit Plug cable coupler encapsulation in coal and hard-rock mining
- Flameproof electrical connections in hazardous locations
- Potting and encapsulation of connectors, splices, and terminations in mobile mining equipment
- Protection of electrical junctions exposed to dust, vibration, and mechanical stress
Certifications & Compliance
- AS 1147.1–1989 – Insulating materials for coal mines
- AS/NZS 60079.0:2005 & 60079.18:2005 – Electrical apparatus for explosive gas atmospheres (Encapsulation “m”)
Technical Notes
- Mix ratio: 100:2 by weight (Base: Catalyst CE62-R)
- Pot life: ~39 minutes at 23°C (time to double initial viscosity)
- Cure time: ~24 hours at room temperature (dependent on humidity)
- Cured hardness: 10 Shore A (very soft and flexible)
- Tensile strength: 1.6 MPa (170 kgf/cm²)
- Elongation: 170%
- Dielectric constant @ 60 Hz: 3.6
- Dissipation factor @ 60 Hz: 0.03
Packaging
- Part A (Base): 5.9 kg steel can
- Part B (Catalyst CE62-R): 120 g bottle (pre-measured for full can use)
Storage
- Storage: Cool, dry place away from direct sunlight
- Keep containers tightly sealed when not in use
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Momentive TSE352 Flit Plug Silicone Encapsulant – Room-Temperature Curing Encapsulant for Mining Cable Couplers
TSE352 Flit Plug Silicone Encapsulant is a two-component, ready-to-mix silicone rubber system specifically formulated for flameproof cable coupling and electrical encapsulation in underground mining applications. Once mixed (in a 100:2 ratio by weight), it cures at room temperature upon exposure to ambient moisture, forming a flexible, durable, and electrically insulating elastomer that protects critical connections from dust, moisture, vibration, and arcing.
Designed for reliability in harsh environments, TSE352 features low viscosity for excellent flowability, visual mixing confirmation (light pink catalyst blends into a uniform light grey), and repairability. Cured material can be cut away and replaced without requiring the full system to be disassembled. Its elastomeric flexibility accommodates cable movement while maintaining seal integrity, making it ideal for rugged industrial use.