Gasket Sealant, Slow Dry, Flexible Cure, 3 oz., Black, Temp. Range -65F to 400 Degrees F, Specific Gravity 1.50, Viscosity Paste, Full Cure Remains Tacky, Begins to Harden 4 hr., Substrates For Sealing Non-Rigid, Vibrating Metal to Metal Assemblies, Oil Resistant, Valve Cover and Oil Pan Gaskets, Cover Plates, Hose Connections, Standards (packaging they come in varies)