Known as LOCTITE 5699 Grey

Features and Benefits

Highly flexible, moisture-cure silicone sealant with excellent oil and water-glycol resistance. For rigid flange sealing for example on transmissions and cast metal housings.
LOCTITE® SI 5699 is a flexible, form-in-place, room temperature vulcanizing (RTV) silicone sealant, which cures at room temperature on exposure to moisture in the air to form a tough rubber gasket. It is tack-free after just 10 min, and can be used on flexible, machined or cast surfaces, metal or plastic. Great for flange sealing and rigid flange sealing on, for example, transmissions and cast metal housings. Perfect for when water-glycol resistance is required.
  • Highly flexible sealing for all types of flanges
  • Tack-free after 30 minutes
  • Registered to NSF Category P1
  • Oil and water-glycol resistant
  • For corrosion-sensitive electrical assemblies
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Documents and Downloads

Safety Data Sheets and RoHs
LOCTITE SI 5699, 50lb 135271 en-US
IDH: 135271
EAN: 079340185821

Size Case: 50 lb Pail

Quantity: 1.0/case

LOCTITE SI 5699 Grey High Performance RTV Silicone Gasket Maker 229770 en-US
IDH: 229770
EAN: 079340185838

Size Case: 550 lb Barrel/Drum

Quantity: 1.0/case

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Technical Information

Applications Highly Flexible Assembly Gasketing
Color Gray
Cure type Room Temperature Vulcanization (RTV) Cure
Extrusion rate 200.0 g/min.
Key characteristics Oil Resistance: Increased Oil Resistance
Operating temperature -65.0 - 400.0 °F (-55.0 - 200.0 °C )
Recommended for use with Metal, Plastic
Storage temperature 8.0 - 21.0 °C
Tack free time 30.0 min.