LOCTITE® SI 587 Blue Silicone Gasket Maker
High-Performance RTV Silicone Sealant for Automotive Applications
LOCTITE® SI 587 is a metallic blue, thixotropic oxime silicone paste engineered for superior gasketing and sealing performance in plant maintenance and OEM applications. This form-in-place gasket/sealant delivers outstanding sealing performance against industrial and automotive engine oils.
Key Features:
- Superior Oil Resistance: Designed to provide excellent resistance to automotive engine oils with outstanding sealing performance
- High Temperature Performance: Operates reliably in demanding applications up to 260°C (500°F)
- Sensor-Safe Formula: Non-corrosive, low odor, and non-conductive properties make it safe for oxygen sensor equipped engines
- Flexible & Durable: Forms tough yet flexible rubber gaskets that enhance load-bearing and shock-absorbing characteristics
- Room Temperature Cure: Cures on exposure to moisture in the air - tack-free in 30 minutes, full cure in 24 hours
- Thixotropic Nature: Reduces migration of liquid product after application for reliable quality control
- Versatile Bonding: Works on all metals including passive substrates like stainless steel, aluminum, and plated surfaces
Technical Specifications:
- Operating Temperature Range: -65°F to +500°F (-54°C to +260°C)
- Cure Time: 24 hours full cure at room temperature
- Tensile Strength: 232 psi
- Color: Metallic Blue
- Packaging: 80 ml tube (2.7 fl oz)
Performance Benefits:
- Eliminates the need for preformed paper, rubber, and cork gaskets
- Tolerates minor contamination from motor oils, corrosion protection oils, and cutting fluids
- Resists cracking, shrinking, and migrating
- Excellent adhesive for bonding and repairing fabricated silicone gaskets
- OEM-approved and trusted by automotive professionals worldwide