I’m stuck in my research (I'm a PhD student) with a task/question that neither I nor my advisor are knowledgeable about (we are looking for vendors of a niche item and have had very little success in that). I have found a group on campus that I think may use this tech (based on their published research) and I want to reach out to a grad student there that I think may know where they get this tech from or who makes it for them.
Would it be inappropriate to email them just to ask this question? It isn’t really a scientific question so I don’t want it to come across in a bad way.