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LOCTITE® SI 5699™
LOCTITE® SI 5699™ is a versatile silicone sealant developed for form-in-place RTV gasket making. With its excellent temperature resistance, chemical compatibility, and gap-filling properties, LOCTITE® SI 5699™ ensures effective sealing between various surfaces, including metal, plastic, glass, and rubber.
Documents
- Manufacturer: Henkel
- Product Line: LOCTITE® Gasketing Sealants
- Product: LOCTITE® RTV Silicone Gasket Makers
- Industries: Adhesives | Coatings | Facility Infrastructure | Maintenance, Repair, Overhaul | Metal Processing & Fabrication | Transportation
- Authorized Countries: Canada | Mexico | United States
Note: Product Fulfillment Provided by the Producer
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Manufacturer
Product Line
Industries
Authorized Countries
Canada
Mexico
United States
Overview
LOCTITE® SI 5699™ is a premium silicone gasket maker for creating high-quality, long-lasting gaskets that cure in place for various applications. Its advanced formulation provides excellent resistance to chemicals, oils, and fluids commonly encountered in automotive and industrial environments. Its superior temperature resistance allows this sealer to withstand extreme temperatures ranging from -75°F to 625°F (-59°C to 329°F). LOCTITE® SI 5699™ also offers outstanding gap-filling capabilities, ensuring a tight and reliable seal even on irregular or rough surfaces. Its thixotropic consistency allows for ease of application, making it convenient to dispense and apply using manual or pneumatic equipment.
Specifications
Chemical Type: Oxime Silicone
Appearance (uncured): Grey paste
Thixotropic: Reduced migration of liquid product after application to a substrate
Cure: Room temperature vulcanizing
Specific gravity @ 20°C: 1.45
Extrusion rate, g/min: ≥200
Tack free time, minutes (cured @ 25 °C / 50±5 % RH): ≤30
Tensile strength, ISO 527-3 N/mm² (psi): ≥2.4 (≥348)
Primary Chemistry: Oxime silicone
Features & Benefits
- Silicone-type, form-in-place RTV gasket masker
- Higher oil resistance
- Cure in place, eliminating the need for precut gaskets
- Temperature resistance of -75°F to 625°F (-59°C to 329°F)
- High torque retention
- Sensor-safe
- Withstands high vibrations
- Non-corrosive
- Water-glycol resistance
- Tack-free after 10 min
- 24-hour cure time
Problems Solved
The need for precut gaskets Leaks caused by vibration, pressurization, and thermal expansion Poor adhesions to plastic substrates, glass, ceramics, or metals
Applications
For cast metal Sealing transmission pans and valve covers In-place gasket making for valve covers, oil pans, intake manifold end seals, timing covers, water pumps, and thermostat housings
Related Applications
Adhesives
Coatings
Maintenance, Repair, Overhaul
Related End Markets
Facility Infrastructure
Maintenance, Repair, Overhaul
- Energy Generation & Utility
- Facility Infrastructure
- General Industrial
- Heavy Industry
- Metal Processing & Fabrication
- Oil & Gas
- Pulp & Paper
- Transportation
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