Product Information :
SDC#2837, LFS Mounting Card (OBA-free), size:14x7cm, pack of 200 pieces.
It’s used for mounting the Blue Wool pieces and test specimens. Use of OBA/FBA free cards is recommend as OBA/FBA’s are not stable under exposure to the light and any visual change in the mounting card can influence the grading process. It could be used in several specified standards.