What is that sticky black thing in the door called E90?

[E90 learner 2]

My window regulator was damage so I need to replace it. However, I tried to use a silicon rubber to attached the polyurethane cover instead of that black sticky thing. What is that called can we buy something like that in new zealand? 

[Eagle 1524]

Bytul cord\tape

[E90 learner 2]

Thank you. hopefully there is one in nz right now.