| Color | Grey | 
| Cure Through Volume | 2.5 mm | 
| Cure Through Volume Time | 24 hr. | 
| Gap Fill | 1 mm | 
| Substrates | Metal, Plastic | 
| Tensile Shear Strength | 1.7 N/mm² | 
LOCTITE SI 5699 is a water/glycol resistant gasketing product, ideal for use on flexible flanges, machined or cast surfaces, metal or plastic.
LOCTITE® SI 5699 is a flexible silicone sealant and cures on exposure to moisture in the air to form a tough rubber gasket. The product is designed primarily for flange sealing with excellent oil resistance or rigid flange sealing for example on transmissions and cast metal housings. It is tack-free after just 10 min. The product is water-glycol resistant and can be used on machined or cast surfaces, metal or plastic.