Automobile glass seals generally do not choose acid glass glue, because the acid glue will react with the paint coating of the window, there is a chance to make the coating off (if it is necessary to use acid glass glue, you must do a compatibility test in advance). Neutral weatherproof glue and automotive glass sealant can be used for automotive glass sealing, it has polyurethane, there are organic silicon. Polyurethane (PU adhesive) curing speed is fast, generally two or three hours to complete the curing, but the price is expensive; Silicone needs a day or two, the price is cheaper and good weather resistance, long service life. In addition, there are many kinds of special adhesive for automobile on the market, some are used for cylinder seal (add iron oxide, high temperature, but not pressure); Some of the chloroprene glue can only be sealed in the car caulking.