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Q:How thick of a bead would you use? Like 1/4in, 1/8in? (6mm, 3mm)? I've heard if you use too much on a valve cover it can break off inside and of course that's not good.
A:Hi James! We strive to have all of the information available to our customers when shopping on our website. There are times when the manufacturer does not provide all of the information a customer may require. In this case, even Permatex does not have the bead size listed. For more information, I would suggest that you contact the Permatex directly at 87 PERMATEX (877-376-2839) and they would be in a better position to help you.
Q:Hello I have question about this product (PERMATEX).... my question is after apply it to gasket how long I need wait to start on the engine? thanks.
A:This Permatex Sensor-Safe High-Temp RTV Silicone Gasket (Part No. 81422) cures on exposure to moisture in the air. The product dries tack free in one hour and fully cures in 24 hours. Cure times will vary with temperature, humidity and gap. For further assistance, please feel free to call us at 1-877-238-2623 or visit your nearest Advance Auto Parts store and one of our representatives would be more than happy to assist you.