RG-450 ESD Preventive table mat
is upgraded version of table mat
that can be used almost semi-permanently
for all sides ESD dissipating effect.
Meanwhile existing RG-400 ESD Preventive table mathas ESD dissipating effect only on front printed line.https://www.ebay.com/itm/264498114098But RG-450 material itself has ESD preventive effect,by initial investment cost, user can experience almost semi-permanent ESD protection effect on table mat.