Loctite-SI-5660-Grey-Silicone-Sealant-Water-and-Glycol-Resistant-Loctite-2064521-P-Loctite-SI-5660-is-a-silicone-sealant-which-cures-on-exposure-to-moisture-in-the-air-to-form-a-tough-rubber-gasket-This-product-has-been-designed-especially-…View more