What's the black inside of the car seal?
Car seal inside the 3M gum, gum is good or bad, often can affect the service life of the rubber strip, and a self-developed adhesive, adhesive force is 5 times that of 3M gum, basically on a car, you can use that to t_a_o treasure search D2178669, basically the best glue bar.
That is called semi dry sealant, also known as liquid sealant
Sealant can be used with paper pad can also be coated directly on the shell surface for the rubber pad, can also use its own viscous, visco plastic film, my JAC light truck door inside there is a layer of film, using this black glue, like on the bus glass is also used the adhesive on the glue, I have seen the two colors, red and black, but the performance is the same! The garage is for sale!
