Doubts about the purity of the glue used on wooden flooring

Q: I have a wooden flooring and I found out after it has been placed that those who placed it used a wood glue which could contain najais substances. Actually, I read the notice on the box but not the full list of components was given, instead it wrote '...and other selected chemicals.' I am not sure if it contains alcohol or something. Can I pray Salah on it?

Abdaals

Q: Kindly explain what are Abdaals. Also advise if there is any authenticity to the belief of 40 Abdaals being present at any time around the world.