Loctite SI 587 Blue High Performance RTV Silicone Gasket Maker 95g
Available
Loctite SI 587 is a metallic blue, one-component oxime silicone gasket maker. It cures at room temperature with moisture from the air (RTV), and the thixotropic paste stays in place on the flange.
It suits gasketing and sealing, for replacing and dressing gaskets, and for bonding and repairing fabricated silicone gaskets. It has excellent resistance to automotive engine oils and adheres to a wide range of substrates.
Where this product is used
- Gaskets on valve covers and rocker covers
- Oil pans and rear axle housings
- Water pumps, end seals and intake manifolds
- Replacing and dressing gaskets
- Bonding and repairing fabricated silicone gaskets
Features
- One component, no mixing, thixotropic paste
- Metallic blue oxime silicone, room temperature moisture cure (RTV)
- Tack-free in 10 to 50 minutes at 25 °C and 50 % RH
- Full performance properties develop over 72 hours
- Excellent resistance to automotive engine oils
- Adheres to a wide range of substrates
- Cured elongation of at least 350 %, Shore A hardness 26 to 40
Key specifications
| Specification | Detail |
|---|---|
| Brand | Loctite |
| Chemical type | Oxime silicone |
| Colour | Metallic blue paste (uncured) |
| Cure | One component, room temperature vulcanising (RTV), moisture cure |
| Specific gravity (25 °C) | 1.28 to 1.33 |
| Extrusion rate (Semco cartridge, 0.62 MPa, 15 s, 25 °C) | 250 to 600g/min |
| Tack-free time (25 °C, 50 % RH) | 10 to 50 minutes |
| Full cure | Performance properties develop over 72 hours |
| Tensile strength (ISO 37, 7 days at 25 °C, 50 % RH) | At least 1.6 N/mm² |
| Elongation (ISO 37, 7 days at 25 °C, 50 % RH) | At least 350 % |
| Hardness, Shore A (ISO 868, 7 days at 25 °C, 50 % RH) | 26 to 40 |
| Temperature | Typically used in applications up to 260 °C |
| Approvals | NSF International Category P1, a sealant where there is no possibility of food contact (regional approval); UL Classification E257711 (regional approval) |
| Storage | 8 °C to 21 °C, unopened, dry |
Choosing the right option
For other silicone gasket makers in the Loctite range see Loctite 587 Blue Maxx Silicone Flange Sealant 300ml, Loctite SI 5900 Flange Sealant 300ml and Loctite SI 5699 Grey RTV Silicone Gasket Maker. Compare them for the flange type and fluids you are sealing.
See also: Loctite 587 Blue Maxx Silicone Flange Sealant 300ml, Loctite 598 Black RTV Silicone Gasket Maker 95g, Loctite SI 5900 Flange Sealant 300ml, Loctite SI 5699 Grey RTV Silicone Gasket Maker.
Using it
Tack-free time is 10 to 50 minutes at 25 °C and 50 % RH. Full performance properties develop over 72 hours.
Do not return used product to the container.
Storage and handling
Store unopened in a dry location, ideally between 8 °C and 21 °C. Storage below 8 °C or above 28 °C can adversely affect the properties of the product. Do not return used product to the container.
Limits and safety
Not recommended for pure oxygen or oxygen-rich systems, as a sealant for chlorine or strong oxidisers, for carburettors or fuel control devices in constant contact with hydrocarbon fuels, or for concentrated acetic, hydrochloric, nitric or sulfuric acids. Read the safety data sheet before use.
This is a regional approval.
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Loctite SI 587 Blue High Performance RTV Silicone Gasket Maker 95g
SKU: A0049914 | Model: 587-95GM-LOC
Loctite 587-95GM-LOC: loctite SI 587 blue oxime RTV silicone gasket maker. Size: 95g. Type: RTV silicone gasket maker.