Brand: Loctite Products
Loctite® 515™ Gasket Eliminator® Flange Sealant creates a flexible, formed-in-place gasket. Recommended for use on machined, rigid metal flanges without defects. Seals up to 0.015" gap to eliminate the need for paper, rubber, or cork gaskets. OEM approved and specified (use in applications where 515™ or "anaerobic gasket" are specified). Not recommended for use on plastics. 50 ml tube.
| Loctite® 515 vs RTV Silicone |
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| Comparison | Loctite® 515 | RTV Silicones |
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| Benefits | Long working time,
fast cure time,
does not shrink while curing | High gap filling,
high temperature range |
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| Limitations | Limited filling,
low temperature range | Short working time,
long cure time,
shinks while curing |
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| Cure Method | Anaerobic
(cures when deprived of oxygen) | RTV
(Room Temperature Vulcanizing) |
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| Full Cure Time* | 24 to 72 hours* | 1 to 7 days |
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| Gap Fill* | 0.001" to 0.015" | 0.001" to 0.125" |
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Temperature,
Continuous | -40°F to +300°F | -60°F to +400°F |
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*Without primer. Preparing surfaces with Loctite 7649 Primer N Surface Activator (Part No. LT-37509, sold separately) can cut the cure time of Loctite® 515 to about 2 hours and increase the gap filling ability to 0.050".
