Digital BW, The Print

Hi Folks,

I have some matt paper I would like to print with.  It is labeled Premier Premium Matte 210gms 8.5"x11" 50 sheets E43.  I don't remember if is the type that will take ink on both sides and would like to know how to tell the right side of paper?  I have printed a couple images with this paper, and I can see a slight curl on the printed side, but I don't know if that was caused by the contraction from the ink.   Any advice?

Lincoln