Started out with an initial phone interview with HR, then had two in-person interviews with upper management. Not a stressful interview, but there was a chemistry test. Gave a tour of the facility
I applied through an employee referral. The process took 2 weeks. I interviewed at NB Coatings (Lansing, IL) in Jun 2015
Interview
A color test is required, but not too difficult. Otherwise normal interview process. Basic math competency test and comprehensive physical required. Interview process is relatively quick and painless. Was able to begin work within a short time of receiving an offer.
Management members of the department for which you interview will meet you on-site for an interview. Or several interviews may take place with several different departments. Basically, being selected for an interview means you're probably worthwhile, so if the position you applied for features better candidates, they may still find a place to place you.
Interview questions [1]
Question 1
Primarily focused on problem-solving. You will have to vet yourself as a scientist, so it should not be difficult.